diff --git a/common/decisions/00_major_decisions_east_europe.txt b/common/decisions/00_major_decisions_east_europe.txt
index 98f6ff67..9393e210 100644
--- a/common/decisions/00_major_decisions_east_europe.txt
+++ b/common/decisions/00_major_decisions_east_europe.txt
@@ -874,7 +874,7 @@ accuse_krstjani_of_heresy_decision = {
 		exists = dynasty
 		#Gotta be an ecumenical Christian...
 		faith = {
-			religion_tag = christianity_religion
+			OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 			has_doctrine = special_doctrine_ecumenical_christian
 		}
 		#... with an existing Head of Faith.
diff --git a/common/epidemics/00_epidemics.txt b/common/epidemics/00_epidemics.txt
index 60e982f6..ae8ab0f8 100644
--- a/common/epidemics/00_epidemics.txt
+++ b/common/epidemics/00_epidemics.txt
@@ -1592,7 +1592,7 @@ measles = {
 				trigger = {
 					outbreak_province = province:1787
 					outbreak_intensity = apocalyptic
-					outbreak_province.county.faith = { religion_tag = christianity_religion }
+					outbreak_province.county.faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 				}
 				desc = epidemic_saint_veronica_evil
 			}
diff --git a/common/landed_titles/germany.txt b/common/landed_titles/germany.txt
index fc703c77..df8a7184 100644
--- a/common/landed_titles/germany.txt
+++ b/common/landed_titles/germany.txt
@@ -14,7 +14,7 @@ e_germany = {
 
 			NOT = {
 				faith = {
-					religion_tag = christianity_religion
+					OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 					has_doctrine = doctrine_spiritual_head
 				}
 			}
diff --git a/common/landed_titles/greece.txt b/common/landed_titles/greece.txt
index 348b3b11..71c2dd3d 100644
--- a/common/landed_titles/greece.txt
+++ b/common/landed_titles/greece.txt
@@ -198,7 +198,7 @@ e_greece = {
 				limit = {
 					is_ai = yes
 				}
-				faith = { religion_tag = christianity_religion }
+				faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			}
 		}
 
diff --git a/common/landed_titles/iberia.txt b/common/landed_titles/iberia.txt
index 5725bf8d..81b8c7c6 100644
--- a/common/landed_titles/iberia.txt
+++ b/common/landed_titles/iberia.txt
@@ -507,7 +507,7 @@ e_iberia = {
 				limit = {
 					is_ai = yes
 				}
-				faith = { religion_tag = christianity_religion }
+				faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			}
 		}
 
@@ -1374,7 +1374,7 @@ e_iberia = {
 				limit = {
 					is_ai = yes
 				}
-				faith = { religion_tag = christianity_religion }
+				faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			}
 		}
 
@@ -2104,7 +2104,7 @@ e_iberia = {
 				limit = {
 					is_ai = yes
 				}
-				faith = { religion_tag = christianity_religion }
+				faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			}
 		}
 
@@ -2321,7 +2321,7 @@ e_iberia = {
 				limit = {
 					is_ai = yes
 				}
-				faith = { religion_tag = christianity_religion }
+				faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			}
 		}
 
@@ -2353,7 +2353,7 @@ e_iberia = {
 				limit = {
 					is_ai = yes
 				}
-				faith = { religion_tag = christianity_religion }
+				faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			}
 		}
 
@@ -2632,7 +2632,7 @@ e_iberia = {
 				limit = {
 					is_ai = yes
 				}
-				faith = { religion_tag = christianity_religion }
+				faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			}
 		}
 
diff --git a/common/landed_titles/italy.txt b/common/landed_titles/italy.txt
index 8526a418..f38bcf4e 100644
--- a/common/landed_titles/italy.txt
+++ b/common/landed_titles/italy.txt
@@ -35,7 +35,7 @@ e_italy = {
 				limit = {
 					is_ai = yes
 				}
-				faith = { religion_tag = christianity_religion }
+				faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			}
 		}
 
diff --git a/common/landed_titles/yugoslavia.txt b/common/landed_titles/yugoslavia.txt
index 4d7496a1..130a3902 100644
--- a/common/landed_titles/yugoslavia.txt
+++ b/common/landed_titles/yugoslavia.txt
@@ -389,7 +389,7 @@ e_yugoslavia = {
 					color = { 138 0 17 }
 				}				
 			}
-			c_vodica = {
+			c_moslavina = {
 				color = { 138 0 17 }
 				b_sisak = {
 					province = 3535
@@ -930,8 +930,6 @@ e_yugoslavia = {
 
 		capital = c_vhrbosna # Visoki
 
-		#Titular: created by decision.
-
 		ai_primary_priority = {
 			if = {
 				limit = {
@@ -949,69 +947,64 @@ e_yugoslavia = {
 				add = @better_than_the_alternatives_score
 			}
 		}
-		d_bosna = {	#AKA Upper Bosnia
-			color = { 194 115 115 }
+		d_bosnia = {	#AKA Upper Bosnia
+			color = { 16 125 74 }
 
 			capital = c_vhrbosna # Visoki
 
 			c_rama = {
-				color = { 194 105 125 }
+				color = { 36 145 104  }
 
 				#capital = 3527 # Visoki
 				b_vranduk = {
 					province = 3524
 
-					color = { 194 115 115 }
+					color = { 36 145 104  }
 				}
 				b_visoki = {
 					province = 3527
 
-					color = { 194 115 115 }
+					color = { 36 145 104  }
 				}
 				b_bobovac = {
 					province = 3525
 
-					color = { 194 115 115 }
-				}
-				b_usora = {	#Actually Doboj: Usora is a river.
-					province = 463
-
-					color = { 170 70 100 }
-				}				
+					color = { 36 145 104  }
+				}			
 			}
 			c_vhrbosna = {
-				color = { 150 105 125 }
+				color = { 16 125 74 }
 
 				#capital = 3567 # Vhrbosna - Modern Sarajevo. Probably.
 
 				b_vhrbosna = {
 					province = 3567
 
-					color = { 150 105 125 }
+					color = { 16 125 74 }
 				}
 				b_olovo= {
 					province = 3564
 
-					color = { 150 105 125 }
+					color = { 16 125 74 }
 				}
 				b_gorazde = {
 					province = 3582
 
-					color = { 105 100 30 }
+					color = { 16 125 74 }
 				}				
 				b_obalj = {
 					province = 3559
 
-					color = { 195 70 125 }
+					color = { 16 125 74 }
 				}
 				b_hotca = {
 					province = 3583
 
-					color = { 105 100 30 }
+					color = { 16 125 74 }
 				}							
 			}
 			c_podrinje = {
-				color = { 105 100 30 }
+				color = { 16 105 84 }
 
 				#capital = 3583 # Hotca
 
@@ -1019,36 +1012,36 @@ e_yugoslavia = {
 				b_srebrenica = {
 					province = 3566
 
-					color = { 150 105 125 }
+					color = { 16 105 84 }
 				}
 				b_rogatica = {
 					province = 3568
 
-					color = { 150 105 125 }
+					color = { 16 105 84 }
 				}				
 				b_visegrad = {
 					province = 3581
 
-					color = { 105 100 30 }
+					color = { 16 105 84 }
 				}
 				b_bijeljina = {
 					province = 3509
 
-					color = { 170 80 125 }
+					color = { 16 105 84 }
 				}
 				b_zvornik = {
 					province = 3511
 
-					color = { 170 80 125 }
+					color = { 16 105 84 }
 				}
 				b_kuclat = {
 					province = 3565
 
-					color = { 150 105 125 }
+					color = { 16 105 84 }
 				}					
 			}
 			c_soli = {
-				color = { 170 80 125 }
+				color = { 16 75 74 }
 
 				#capital = 3510 # Soli - Modern Tuzla
 
@@ -1061,68 +1054,73 @@ e_yugoslavia = {
 				b_soli = {
 					province = 3510
 
-					color = { 170 80 125 }
+					color = { 16 75 74 }
 				}
 				b_maglaj = {
 					province = 3514
 
-					color = { 170 70 100 }
+					color = { 16 75 74 }
 				}
 				b_srebrenik = {
 					province = 3513
 
-					color = { 170 70 100 }
+					color = { 16 75 74 }
 				}				
 			}
 			c_posavska = {
-				color = { 170 70 100 }
+				color = { 16 65 64 }
 
 				b_tolisa = {
 					province = 3512
 
-					color = { 170 70 100 }
+					color = { 16 65 64 }
 				}
 			}				
 		}
 
-		d_lower_bosna = {
-			color = { 180 85 120 }
+		d_krajina = {
+			color = { 16 105 94 }
 
 			capital = c_vrbas # Banja Luka
 
 			c_vrbas = {
-				color = { 125 20 90 }
+				color = { 16 105 94 }
 
 				#capital = 3516 # Banja Luka (though the name is anachronistic, there were various settlements on or near the site)
 
 				b_banjaluka = {
 					province = 3516
 
-					color = { 125 20 90 }
+					color = { 16 105 94 }
 				}
 				b_glaz = {
 					province = 3517
 
-					color = { 125 20 90 }
+					color = { 16 105 94 }
 				}
 				b_greben = {
 					province = 3505
 
-					color = { 175 90 115 }
+					color = { 16 105 94 }
 				}
 				b_kotorvaros = {
 					province = 3506
 
-					color = { 175 90 115 }
+					color = { 16 105 94 }
 				}
-				b_vodicevo = {
+				b_prijedor = {
 					province = 3519
 
-					color = { 138 0 17 }
-				}				
+					color = { 16 105 94 }
+				}	
+				b_usora = {	#Actually Doboj: Usora is a river.
+					province = 463
+
+					color = { 16 105 94 }
+				}					
 			}
-			c_pset = {
-				color = { 135 55 65 }
+			c_bihac = {
+				color = { 16 115 104 }
 
 				#capital = 3522 # Bihac
 
@@ -1136,7 +1134,7 @@ e_yugoslavia = {
 
 					color = { 135 55 65 }
 				}
-				b_pset = {
+				b_drvar = {
 					province = 3523
 
 					color = { 135 55 65 }
@@ -1146,106 +1144,95 @@ e_yugoslavia = {
 
 					color = { 175 90 115 }
 				}	
-				b_topusko = {
+				b_cazin = {
 					province = 3538
 
 					color = { 90 40 60 }
 				}				
 			}		
-			c_donjikraji = {
-				color = { 175 90 115 }
+			c_pliva = {
+				color = { 16 125 134 }
 
 				#capital = 3507 # Jajce
 				b_travnik = {
 					province = 3526
 
-					color = { 194 115 115 }
+					color = { 16 125 134 }
 				}
 				b_jajce = {
 					province = 3507
 
-					color = { 175 90 115 }
+					color = { 16 125 134 }
 				}
-				b_sokol = {
+				b_sipovo = {
 					province = 3508
 
-					color = { 175 90 115 }
+					color = { 16 125 134 }
 				}
 			}			
 		}
 
-		d_usora = {	#Actually Zachlumia
-			color = { 170 70 100 }
+		d_herzegovina = {	#Actually Zachlumia
+			color = { 16 125 90 }
 
 			capital = c_zelengora # Mostar
 
-			cultural_names = {
-				name_list_serbian = cn_zahumlje
-				name_list_croatian = cn_zahumlje
-				name_list_bosnian = cn_zahumlje
-			}
-
-			c_zachlumia = {
-				color = { 210 80 90 }
+			c_trebinje = {
+				color = { 16 125 90 }
 
 				#capital = 466 # Blagaj
 
-				cultural_names = {
-					name_list_serbian = cn_zahumlje
-					name_list_croatian = cn_zahumlje
-					name_list_bosnian = cn_zahumlje
-				}
 				b_trebinje = {
 					province = 3572
 
-					color = { 140 90 35 }
+					color = { 16 125 90 }
 				}	
 				b_nevesinje = {
 					province = 3561
 
-					color = { 210 80 90 }
+					color = { 16 125 90 }
 				}
-				b_kljuc = {
+				b_ljubinje = {
 					province = 3563
 
-					color = { 210 80 90 }
+					color = { 16 125 90 }
 				}		
 				b_gacko = {
 					province = 3560
 
-					color = { 195 70 125 }
+					color = { 16 125 90 }
 				}			
 			}
-			c_zelengora = {
-				color = { 195 70 125 }
+			c_neretva = {
+				color = { 16 75 70 }
 				b_mostar = {
 					province = 3558
 
-					color = { 210 80 90 }
+					color = { 16 75 70 }
 				}
 				b_blagaj = {
 					province = 466
 
-					color = { 210 80 90 }
+					color = { 16 75 70 }
 				}					
 				b_drijeva = {
 					province = 3562
 
-					color = { 210 80 90 }
+					color = { 16 75 70 }
 				}
 				b_konjic = {
 					province = 3557
 
-					color = { 195 70 125 }
+					color = { 16 75 70 }
 				}
 				b_prozor = {
 					province = 504
 
-					color = { 194 115 115 }
+					color = { 16 75 70 }
 				}				
 			}
-			c_zavrsje = {
-				color = { 220 130 100 }
+			c_livno = {
+				color = { 16 60 65 }
 
 				#capital = 3501 # Hlivno
 
@@ -1259,22 +1246,22 @@ e_yugoslavia = {
 				b_hlivno = {
 					province = 3501
 
-					color = { 220 130 100 }
+					color = { 16 60 65 }
 				}
 				b_glamoc = {
 					province = 3500
 
-					color = { 220 130 100 }
+					color = { 16 60 65 }
 				}				
 				b_duvno = {
 					province = 3502
 
-					color = { 220 130 100 }
+					color = { 16 60 65 }
 				}
 				b_imotski = {
 					province = 3503
 
-					color = { 220 130 100 }
+					color = { 16 60 65 }
 				}
 			}
 		}
diff --git a/common/religion/doctrine_types/30_core_tenets.txt b/common/religion/doctrine_types/30_core_tenets.txt
index b3512a32..8288cc30 100644
--- a/common/religion/doctrine_types/30_core_tenets.txt
+++ b/common/religion/doctrine_types/30_core_tenets.txt
@@ -1036,7 +1036,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = judaism_religion
 					}
 				}
@@ -1322,7 +1322,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = judaism_religion
 						religion_tag = islam_religion
 					}
@@ -1380,7 +1380,7 @@
 			first_valid = {
 				triggered_desc = {
 					trigger = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 					}
 					desc = tenet_alexandrian_catechism_name
 				}
@@ -1392,7 +1392,7 @@
 			first_valid = {
 				triggered_desc = {
 					trigger = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 					}
 					desc = tenet_alexandrian_catechism_desc
 				}
@@ -1402,7 +1402,7 @@
 
 		is_shown = {
 			OR = {
-				religion_tag = christianity_religion
+				OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 				religion_tag = islam_religion 
 			}
 		}
@@ -1428,7 +1428,7 @@
 		icon = core_tenet_armed_pilgrimages
 		piety_cost = {
 			if = {
-				limit = { religion_tag = christianity_religion }
+				limit = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 				value = faith_tenet_cost_low
 			}
 			else = {
@@ -1444,7 +1444,7 @@
 
 		is_shown = {
 			OR = {
-				religion_tag = christianity_religion
+				OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 				religion_tag = judaism_religion
 			}
 		}
@@ -1487,7 +1487,7 @@
 			else_if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = judaism_religion
 					}
 				}
@@ -1592,7 +1592,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = judaism_religion
 					}
 				}
@@ -1647,7 +1647,7 @@
 			first_valid = {
 				triggered_desc = {
 					trigger = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 					}
 					desc = tenet_consolamentum_name
 				}
@@ -1838,7 +1838,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = dualism_religion
 						religion_tag = buddhism_religion
 						religion_tag = jainism_religion
@@ -1891,7 +1891,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = dualism_religion
 						religion_tag = buddhism_religion
 						religion_tag = jainism_religion
@@ -1941,7 +1941,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = dualism_religion
 						religion_tag = buddhism_religion
 						religion_tag = jainism_religion
@@ -1993,7 +1993,7 @@
 		piety_cost = {
 			if = {
 				limit = {
-					religion_tag = christianity_religion
+					OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 					religion_tag = taoism_religion
 				}
 				value = faith_tenet_cost_low
@@ -2065,7 +2065,7 @@
 			first_valid = {
 				triggered_desc = {
 					trigger = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 					}
 					desc = tenet_pentarchy_alternate_name
 				}
@@ -2077,7 +2077,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = hinduism_religion
 						religion_tag = zoroastrianism_religion
 					}
@@ -2187,7 +2187,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = dualism_religion
 						religion_tag = buddhism_religion
 						religion_tag = jainism_religion
@@ -2234,7 +2234,7 @@
 		icon = core_tenet_pastoral_isolation
 
 		is_shown = {
-			religion_tag = christianity_religion
+			OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 		}
 		can_pick = {
 			custom_description = {
@@ -2457,7 +2457,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = islam_religion
 					}
 				}
@@ -2512,7 +2512,7 @@
 		piety_cost = {
 			if = {
 				limit = {
-					religion_tag = christianity_religion
+					OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 
 				}
 				value = faith_tenet_cost_high
@@ -2716,7 +2716,7 @@
 		is_shown = {
 			NOR = {
 				AND = {
-					religion_tag = christianity_religion
+					OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 					NOT = { this = faith:cathar }
 				}
 				religion_tag = judaism_religion
@@ -2759,7 +2759,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = hinduism_religion
 						religion_tag = zoroastrianism_religion
 						has_doctrine = pagan_hostility_doctrine
@@ -2916,7 +2916,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = dualism_religion
 					}
 				}
@@ -2965,7 +2965,7 @@
 		}
 
 		is_shown = {
-			NOT = { religion_tag = christianity_religion }
+			NOT = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			NOT = { has_doctrine = special_doctrine_jizya }
 		}
 	}
@@ -2989,7 +2989,7 @@
 			else_if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = dualism_religion
 						religion_tag = buddhism_religion
 						religion_tag = jainism_religion
@@ -3361,7 +3361,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = judaism_religion
 						religion_tag = islam_religion
 					}
@@ -3403,7 +3403,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = buddhism_religion
 						religion_tag = jainism_religion
 					}
@@ -3526,7 +3526,7 @@
 		is_shown = {
 			# No HumSac for Abrahamics: 'tis literally the religion-namer.
 			NOR = {
-				religion_tag = christianity_religion
+				OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 				religion_tag = judaism_religion
 				religion_tag = islam_religion
 			}
@@ -3844,7 +3844,7 @@
 
 		is_shown = {
 			NOR = {
-				religion_tag = christianity_religion
+				OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 				religion_tag = islam_religion
 				religion_tag = judaism_religion
 				religion_tag = dualism_religion
@@ -3925,7 +3925,7 @@
 		is_shown = {
 			# No HumSac for Abrahamics: 'tis literally the religion-namer.
 			NOR = {
-				religion_tag = christianity_religion
+				OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 				religion_tag = judaism_religion
 				religion_tag = islam_religion
 			}
@@ -4299,7 +4299,7 @@
 		}
 
 		is_shown = {
-			NOT = { religion_tag = christianity_religion }
+			NOT = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 		}
 		can_pick = {
 			custom_description = {
@@ -4336,7 +4336,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = dualism_religion
 					}
 				}
@@ -4390,7 +4390,7 @@
 				limit = {
 					OR = {
 						religion_tag = judaism_religion
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = dualism_religion
 					}
 				}
@@ -4449,7 +4449,7 @@
 			if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						has_doctrine = pagan_hostility_doctrine
 					}
 				}
@@ -4642,7 +4642,7 @@
 			else_if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						has_doctrine = pagan_hostility_doctrine
 					}
 				}
@@ -4740,7 +4740,7 @@
 			else_if = {
 				limit = {
 					OR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = judaism_religion
 						religion_tag = islam_religion
 						religion_tag = buddhism_religion
@@ -5034,7 +5034,7 @@
 					OR = {
 						has_doctrine = tenet_mendicant_preachers
 						has_doctrine = tenet_gnosticism 
-						religion_tag = christianity_religion 
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } 
 						religion_tag = zoroastrianism_religion
 					}
 				}
diff --git a/common/script_values/99_court_chaplain_values.txt b/common/script_values/99_court_chaplain_values.txt
index b98edd77..c4d5b70d 100644
--- a/common/script_values/99_court_chaplain_values.txt
+++ b/common/script_values/99_court_chaplain_values.txt
@@ -727,7 +727,7 @@ court_chaplain_conversion_contextual_bonuses = {
 		limit = {
 			exists = scope:county
 			scope:councillor.faith = { has_doctrine_parameter = christian_syncretic_actor_opinion_active }
-			scope:county.faith = { religion_tag = christianity_religion }
+			scope:county.faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 		}
 		add = {
 			value = scope:councillor.conversion_syncretic_with_religion_malus
diff --git a/common/scripted_triggers/00_clothing_triggers.txt b/common/scripted_triggers/00_clothing_triggers.txt
index c94665e1..c6a4a914 100644
--- a/common/scripted_triggers/00_clothing_triggers.txt
+++ b/common/scripted_triggers/00_clothing_triggers.txt
@@ -2865,7 +2865,7 @@ portrait_iconoclast_high_trigger = {
 	exists = this
 	AND = {
 		faith = { has_doctrine = tenet_aniconism }
-		faith = { religion_tag = christianity_religion }
+		faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 	}
 	OR = {
 		has_character_flag = need_priest_outfit
diff --git a/common/scripted_triggers/00_religious_triggers.txt b/common/scripted_triggers/00_religious_triggers.txt
index 3f0d89f7..0c43e9f5 100644
--- a/common/scripted_triggers/00_religious_triggers.txt
+++ b/common/scripted_triggers/00_religious_triggers.txt
@@ -57,7 +57,7 @@ has_strong_religious_conviction_trigger = {
 }
 
 is_christian_trigger = {
-	faith = { religion_tag = christianity_religion }
+	faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 }
 
 # Not-non-XYZ triggers allow us to check for specific historical faiths whilst still defaulting to something positive for variant faiths.
@@ -779,7 +779,7 @@ is_preferred_heresy = {
 	OR = {
 		#If we're Chistian, pick a heretical faiths which is in the same regional group as our origin faith (i.e., Lollards for Catholics, Iconoclasts for Orthodox, etc.)
 		AND = {
-			religion_tag = christianity_religion
+			OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 			OR = {
 				faiths_are_in_western_christianity_group = { FAITH_1 = $ORIGIN_FAITH$ FAITH_2 = $HERETICAL_FAITH$ }
 				faiths_are_in_orthodox_christianity_group = { FAITH_1 = $ORIGIN_FAITH$ FAITH_2 = $HERETICAL_FAITH$ }
@@ -808,7 +808,7 @@ is_preferred_heresy = {
 		#Otherwise, we don't have any special preferences.
 		NOT = {
 			religion_tag = islam_religion
-			religion_tag = christianity_religion
+			OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 			religion_tag = zoroastrianism_religion
 		}
 	}
@@ -830,7 +830,7 @@ is_valid_heresy = {
 	OR = {
 		#For Christian Faiths, the origin and heretical faiths must not both be Ecumenical (excepting the faiths which aren't technically ecumenical).
 		AND = {
-			religion_tag = christianity_religion
+			OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 			NAND = {
 				$ORIGIN_FAITH$ = {
 					has_doctrine = special_doctrine_ecumenical_christian
@@ -1090,7 +1090,7 @@ refusing_conversion_is_crime_trigger = {
 			always = no
 		}
 		OR = {
-			religion_tag = christianity_religion
+			OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 			religion_tag = islam_religion
 			religion_tag = judaism_religion
 			religion_tag = zoroastrianism_religion
diff --git a/common/traits/00_traits.txt b/common/traits/00_traits.txt
index 0f820c56..78a1695b 100644
--- a/common/traits/00_traits.txt
+++ b/common/traits/00_traits.txt
@@ -8968,7 +8968,7 @@ faith_warrior = {
 				desc = faith_warrior.dds
 			}
 			triggered_desc = {
-				trigger = { faith = { religion_tag = christianity_religion } }
+				trigger = { faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } } }
 				desc = crusader.dds
 			}
 			triggered_desc = {
@@ -9085,7 +9085,7 @@ faith_warrior = {
 				desc = trait_mujahid_character_desc
 			}
 			triggered_desc = {
-				trigger = { faith = { religion_tag = christianity_religion } }
+				trigger = { faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } } }
 				desc = trait_crusader_character_desc
 			}
 			desc = trait_faith_warrior_character_desc
@@ -9109,7 +9109,7 @@ saint = {
 				desc = trait_venerated_ancestor
 			}
 			triggered_desc = {
-				trigger = { faith = { religion_tag = christianity_religion } }
+				trigger = { faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } } }
 				desc = trait_saint
 			}
 			desc = trait_venerated_ancestor
@@ -14013,13 +14013,13 @@ crusader_king = {
 			}
 			triggered_desc = {
 				trigger = {
-					faith = { religion_tag = christianity_religion }
+					faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 					is_female = yes
 				}
 				desc = trait_crusader_king_female
 			}
 			triggered_desc = {
-				trigger = { faith = { religion_tag = christianity_religion } }
+				trigger = { faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } } }
 				desc = trait_crusader_king
 			}
 			triggered_desc = {
diff --git a/events/activities/pilgrimage_activity/pilgrimage_events.txt b/events/activities/pilgrimage_activity/pilgrimage_events.txt
index 2adbc28b..5bd1317a 100644
--- a/events/activities/pilgrimage_activity/pilgrimage_events.txt
+++ b/events/activities/pilgrimage_activity/pilgrimage_events.txt
@@ -12997,7 +12997,7 @@ pilgrimage.6810 = {
 	}
 	cooldown = { years = 1 }
 	trigger = {
-		faith = { religion_tag = christianity_religion } #this is basically a Christian thing
+		faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } } #this is basically a Christian thing
 		exists = faith.religious_head #you have a religious head
 		faith.religious_head = {
 			this != root #and it's not you
diff --git a/events/activities/tour_activity/tour_travel_events.txt b/events/activities/tour_activity/tour_travel_events.txt
index 05aac49c..158a1b33 100644
--- a/events/activities/tour_activity/tour_travel_events.txt
+++ b/events/activities/tour_activity/tour_travel_events.txt
@@ -664,7 +664,7 @@ tour_travel.1004 = {
 	trigger = {
 		is_location_valid_for_travel_event_on_land = yes
 		has_activity_intent = altruism_intent
-		faith = { religion_tag = christianity_religion }
+		faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 		is_governor = no
 	}
 
@@ -909,7 +909,7 @@ tour_travel.1005 = {
 	trigger = {
 		is_location_valid_for_travel_event_on_land = yes
 		has_activity_intent = altruism_intent 
-		faith = { religion_tag = christianity_religion }
+		faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 		is_governor = no
 	}
 
diff --git a/events/decisions_events/iberia_north_africa_events.txt b/events/decisions_events/iberia_north_africa_events.txt
index 5ded5411..da6ffd8d 100644
--- a/events/decisions_events/iberia_north_africa_events.txt
+++ b/events/decisions_events/iberia_north_africa_events.txt
@@ -47,7 +47,7 @@ iberia_north_africa.0001 = { #by Mathilda Bjarnehed
 			triggered_desc = {
 				trigger = {
 					game_start_date >= 789.1.1 #The end of Umayyad Conquest
-					faith = { religion_tag = christianity_religion }
+					faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 				}
 				desc = iberia_north_africa.0001.christian.desc
 			}
@@ -459,14 +459,14 @@ iberia_north_africa.0016 = { #by Mathilda Bjarnehed
 			text = iberia_north_africa.0015.a
 		}
 		name = {
-			trigger = { faith = { religion_tag = christianity_religion } }
+			trigger = { faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } } }
 			text = iberia_north_africa.0016.christianity.a
 		}
 		name = {
 			trigger = {
 				faith = {
 					NOR = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						religion_tag = islam_religion
 					}
 				}
diff --git a/events/dlc/ce1/epidemic_events.txt b/events/dlc/ce1/epidemic_events.txt
index 4e81bc37..733373b7 100644
--- a/events/dlc/ce1/epidemic_events.txt
+++ b/events/dlc/ce1/epidemic_events.txt
@@ -7604,7 +7604,7 @@ epidemic_events.5900 = {
 			text = epidemic_events.5900.christian
 			trigger = {
 				faith = {
-					religion_tag = christianity_religion
+					OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 				}
 			}
 		}
@@ -7613,7 +7613,7 @@ epidemic_events.5900 = {
 			trigger = {
 				NOT = {
 					faith = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 					}
 				}
 			}
@@ -8585,7 +8585,7 @@ epidemic_events.5906 = {
 		is_available_adult = yes
 		is_landed = yes
 		faith = {
-			religion_tag = christianity_religion
+			OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 		}
 		exists = cp:councillor_marshal
 	}
@@ -9235,7 +9235,7 @@ epidemic_events.5999 = {
 		name = {
 			trigger = {
 				faith = {
-					religion_tag = christianity_religion
+					OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 				}
 			}
 
@@ -9245,7 +9245,7 @@ epidemic_events.5999 = {
 			trigger = {
 				NOT = {
 					faith = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 					}
 				}
 			}
@@ -9311,7 +9311,7 @@ epidemic_events.6000 = {
 			text = epidemic_events.5900.christian
 			trigger = {
 				faith = {
-					religion_tag = christianity_religion
+					OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 				}
 			}
 		}
@@ -9320,7 +9320,7 @@ epidemic_events.6000 = {
 			trigger = {
 				NOT = {
 					faith = {
-						religion_tag = christianity_religion
+						OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 					}
 				}
 			}
diff --git a/events/dlc/ep3/ep3_laamp_flavor.txt b/events/dlc/ep3/ep3_laamp_flavor.txt
index 3e16fda5..c286eac6 100644
--- a/events/dlc/ep3/ep3_laamp_flavor.txt
+++ b/events/dlc/ep3/ep3_laamp_flavor.txt
@@ -798,8 +798,8 @@ ep3_laamp_flavor.0050 = {
 		has_government = landless_adventurer_government
 		is_adult = yes
 		is_available_allow_travelling = yes
-		faith = { religion_tag = christianity_religion }
-		location.faith = { religion_tag = christianity_religion }
+		faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
+		location.faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 		NOR = {
 			has_trait = witch
 			any_secret = { type = secret_witch }
diff --git a/events/dlc/fp2/fp2_yearly_events.txt b/events/dlc/fp2/fp2_yearly_events.txt
index 39b63ff9..915cc448 100644
--- a/events/dlc/fp2/fp2_yearly_events.txt
+++ b/events/dlc/fp2/fp2_yearly_events.txt
@@ -3056,7 +3056,7 @@ fp2_yearly.4006 = {
 
 		#You are not Christian at all
 		NOT = {
-			faith = { religion_tag = christianity_religion }
+			faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 		}
 
 		#and you have a county that has a free holding slot
@@ -3272,7 +3272,7 @@ fp2_yearly.4007 = {
 		exists = cp:councillor_court_chaplain
 
 		#You are Christian
-		faith = { religion_tag = christianity_religion }
+		faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 
 		#You can see sea shells on the sea shore
 		NOT = {
@@ -3937,7 +3937,7 @@ fp2_yearly.4010 = {
 		name = fp2_yearly.4010.a
 
 		trigger = {
-			faith = { religion_tag = christianity_religion }
+			faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 		}
 
 		duel = {
diff --git a/events/lifestyles/scholarship_lifestyle/learning_theology_events.txt b/events/lifestyles/scholarship_lifestyle/learning_theology_events.txt
index 5df5a5b8..3dbdf5df 100644
--- a/events/lifestyles/scholarship_lifestyle/learning_theology_events.txt
+++ b/events/lifestyles/scholarship_lifestyle/learning_theology_events.txt
@@ -34,7 +34,7 @@ learning_theology.1301 = {
 		first_valid = {
 			triggered_desc = {
 				trigger = {
-					faith = { religion_tag = christianity_religion }
+					faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 				}
 				desc = learning_theology.1301.desc_regula_pastoralis
 			}
@@ -1144,7 +1144,7 @@ learning_theology.3021 = {
 				triggered_desc = {
 					trigger = {
 						faith = {
-							religion_tag = christianity_religion
+							OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 						}
 					}
 					desc = learning_theology.3021.desc_christian
@@ -3625,7 +3625,7 @@ learning_theology_special.1101 = {
 		faith = {
 			OR = {
 				religion_tag = judaism_religion
-				religion_tag = christianity_religion
+				OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 				religion_tag = dualism_religion
 				religion_tag = islam_religion
 			}
diff --git a/events/yearly_events/court_yearly_events.txt b/events/yearly_events/court_yearly_events.txt
index 3cfcdee8..9df00860 100644
--- a/events/yearly_events/court_yearly_events.txt
+++ b/events/yearly_events/court_yearly_events.txt
@@ -2962,7 +2962,7 @@ court_yearly.7030 = {
 scripted_trigger court_7040_ascetic_religion_trigger = {
 	faith = {
 		OR = {
-			religion_tag = christianity_religion
+			OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion }
 			religion_tag = buddhism_religion
 			religion_tag = jainism_religion
 			religion_tag = taoism_religion
diff --git a/history/titles/k_serbia.txt b/history/titles/k_serbia.txt
index 9d0c2541..cd25df3b 100644
--- a/history/titles/k_serbia.txt
+++ b/history/titles/k_serbia.txt
@@ -24,13 +24,13 @@ c_szerem  = {
 }
 
 
-d_bosna = {
+d_bosnia = {
 	2554.1.1 = {
 		holder = yugoslavia0002
 	}
 }
 
-d_lower_bosna = {
+d_krajina = {
 	2554.1.1 = {
 		holder = yugoslavia0002
 	}
diff --git a/holder for later/common/landed_titles/0.15_MAP.txt b/holder for later/common/landed_titles/0.15_MAP.txt
index bb6a45fc..19186441 100644
--- a/holder for later/common/landed_titles/0.15_MAP.txt	
+++ b/holder for later/common/landed_titles/0.15_MAP.txt	
@@ -5394,7 +5394,7 @@ e_greece = {
 				limit = {
 					is_ai = yes
 				}
-				faith = { religion_tag = christianity_religion }
+				faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			}
 		}
 
diff --git a/holder for later/common/landed_titles/greece.txt b/holder for later/common/landed_titles/greece.txt
index 93bb06a5..9a1583f9 100644
--- a/holder for later/common/landed_titles/greece.txt	
+++ b/holder for later/common/landed_titles/greece.txt	
@@ -196,7 +196,7 @@ e_greece = {
 				limit = {
 					is_ai = yes
 				}
-				faith = { religion_tag = christianity_religion }
+				faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 			}
 		}
 
diff --git a/holder for later/common/landed_titles/middle_east.txt b/holder for later/common/landed_titles/middle_east.txt
index 7cd81eb1..522c0860 100644
--- a/holder for later/common/landed_titles/middle_east.txt	
+++ b/holder for later/common/landed_titles/middle_east.txt	
@@ -1861,11 +1861,11 @@ e_arabia = {
 		capital = c_jerusalem
 
 		can_create = {
-			faith = { religion_tag = christianity_religion }
+			faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 		}
 
 		can_create_on_partition = {
-			faith = { religion_tag = christianity_religion }
+			faith = { OR = { religion_tag = eastern_orthodox_religion religion_tag = catholic_religion religion_tag = protestant_religion } }
 		}
 
 		ai_primary_priority = {
diff --git a/localization/english/replace/titles_l_english.yml b/localization/english/replace/titles_l_english.yml
index 309a2447..dc15b66a 100644
--- a/localization/english/replace/titles_l_english.yml
+++ b/localization/english/replace/titles_l_english.yml
@@ -15964,8 +15964,8 @@
  d_bohemia:0 "Prague"
  d_bohemia_adj:0 "Praguer"
  d_bordeaux:0 "Bordeaux"
- d_bosna:2 "Upper Bosnia"
- d_bosna_adj:1 "Upper Bosnian"
+ d_bosna:2 "Bosnia"
+ d_bosna_adj:1 "Bosnian"
  d_bosnia:0 "Bosnia"
  d_bosnia_adj:0 "Bosnian"
  d_braganza:0 "Braganza"
@@ -26321,9 +26321,17 @@
  e_baltic_adj:0 "Baltic"
 
  ###Yugoslavia
+ k_montenegro:0 "Montenegro"
+ k_montenegro_adj:0 "Montenegrin"
  b_prekmurje:0 "Prekmurje"
+ c_moslavina:0 "Moslavina"
+ c_moslavina_adj:0 "Moslavinian"
  c_maribor:0 "Maribor"
  c_maribor_adj:0 "Mariborian"
+ d_krajina:0 "Krajina"
+ d_krajina_adj:0 "Krajinian"
+ d_herzegovina:0 "Herzegovina"
+ d_herzegovina_adj:0 "Herzegovina"
  
  ###Crimea
  d_sevastopol:0 "Sevastopol"
diff --git a/map_data/provinces.png b/map_data/provinces.png
index 95fc370d..f578016d 100644
--- a/map_data/provinces.png
+++ b/map_data/provinces.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b02eb9d6ebdba614d6b9671163a896115a6f70526cc09e99a0af3d14ced60260
-size 2558247
+oid sha256:fab93b2a5579981911acd7386c2f4353c7f1ce033e4f25018f4b8e001c428c66
+size 2636914