diff --git a/history/provinces/e_britannia.txt b/history/provinces/e_britannia.txt
index ee457ed7..f7f4a5f9 100644
--- a/history/provinces/e_britannia.txt
+++ b/history/provinces/e_britannia.txt
@@ -9,12 +9,11 @@
 	769.1.1 = {
 	special_building_slot = the_tower_of_london_01
 	}
-	867.1.1 = {
-	buildings = {
-	curtain_walls_01
-	}
 	}
 	1066.1.1 = {
+	buildings = {
+	powder_magazine_01
+	}
 	}
 	1078.1.1 = {
 	special_building = the_tower_of_london_01
@@ -1084,7 +1083,7 @@
 	holding = city_holding
 	culture = strafclideg
 	religion = old_thelema
-	special_building = glasgow_cathedral_01
+	special_building_slot = glasgow_cathedral_01
 }
 1687 = {
 	holding = none