diff --git a/ImperatorToCK3/CK3/Cultures/CultureCollection.cs b/ImperatorToCK3/CK3/Cultures/CultureCollection.cs
index c69ba2416..04cde9fbb 100644
--- a/ImperatorToCK3/CK3/Cultures/CultureCollection.cs
+++ b/ImperatorToCK3/CK3/Cultures/CultureCollection.cs
@@ -87,60 +87,79 @@ private void LoadInvalidatingCultureIds(ICollection<string> ck3ModFlags, Buffere
 
 	public void LoadCultures(ModFilesystem ck3ModFS) {
 		Logger.Info("Loading cultures...");
+		
+		OrderedDictionary<string, CultureData> culturesData = new(); // Preserves order of insertion.
 
 		var parser = new Parser();
-		parser.RegisterRegex(CommonRegexes.String, (reader, cultureId) => LoadCulture(cultureId, reader));
+		parser.RegisterRegex(CommonRegexes.String, (reader, cultureId) => culturesData[cultureId] = LoadCultureData(reader));
 		parser.IgnoreAndLogUnregisteredItems();
 		parser.ParseGameFolder("common/culture/cultures", ck3ModFS, "txt", recursive: true, logFilePaths: true);
+		
+		// After we've load all cultures data, we can validate it and create cultures.
+		ValidateAndLoadCultures(culturesData);
 
 		ReplaceInvalidatedParents();
 	}
 
 	public void LoadConverterCultures(string converterCulturesPath) {
 		Logger.Info("Loading converter cultures...");
+		
+		OrderedDictionary<string, CultureData> culturesData = new(); // Preserves order of insertion.
 
 		var parser = new Parser();
-		parser.RegisterRegex(CommonRegexes.String, (reader, cultureId) => LoadCulture(cultureId, reader));
+		parser.RegisterRegex(CommonRegexes.String, (reader, cultureId) => culturesData[cultureId] = LoadCultureData(reader));
 		parser.IgnoreAndLogUnregisteredItems();
 		parser.ParseFile(converterCulturesPath);
+		
+		// After we've load all cultures data, we can validate it and create cultures.
+		ValidateAndLoadCultures(culturesData);
 
 		ReplaceInvalidatedParents();
 	}
 
-	private void LoadCulture(string cultureId, BufferedReader cultureReader) {
+	private CultureData LoadCultureData(BufferedReader cultureReader) {
 		cultureData = new CultureData();
 
 		cultureDataParser.ParseStream(cultureReader);
+		return cultureData;
+	}
 
-		if (cultureData.InvalidatingCultureIds.Any()) {
-			foreach (var existingCulture in this) {
-				if (!cultureData.InvalidatingCultureIds.Contains(existingCulture.Id)) {
+	private void ValidateAndLoadCultures(OrderedDictionary<string, CultureData> culturesData) {
+		foreach (var (cultureId, data) in culturesData) {
+			if (data.InvalidatingCultureIds.Any()) {
+				bool isInvalidated = false;
+				foreach (var existingCulture in this) {
+					if (!data.InvalidatingCultureIds.Contains(existingCulture.Id)) {
+						continue;
+					}
+					Logger.Debug($"Culture {cultureId} is invalidated by existing {existingCulture.Id}.");
+					cultureReplacements[cultureId] = existingCulture.Id;
+					isInvalidated = true;
+				}
+				if (isInvalidated) {
 					continue;
 				}
-				Logger.Debug($"Culture {cultureId} is invalidated by existing {existingCulture.Id}.");
-				cultureReplacements[cultureId] = existingCulture.Id;
-				return;
+				Logger.Debug($"Loading optional culture {cultureId}...");
 			}
-			Logger.Debug($"Loading optional culture {cultureId}...");
-		}
-		if (cultureData.Heritage is null) {
-			Logger.Warn($"Culture {cultureId} has no heritage defined! Skipping.");
-			return;
-		}
-		if (cultureData.Language is null) {
-			Logger.Warn($"Culture {cultureId} has no language defined! Skipping.");
-			return;
-		}
-		if (cultureData.NameLists.Count == 0) {
-			Logger.Warn($"Culture {cultureId} has no name list defined! Skipping.");
-			return;
-		}
-		if (cultureData.Color is null) {
-			Logger.Warn($"Culture {cultureId} has no color defined! Will use generated color.");
-			var color = new ColorHash().Rgb(cultureId);
-			cultureData.Color = new Color(color.R, color.G, color.B);
+			if (data.Heritage is null) {
+				Logger.Warn($"Culture {cultureId} has no heritage defined! Skipping.");
+				continue;
+			}
+			if (data.Language is null) {
+				Logger.Warn($"Culture {cultureId} has no language defined! Skipping.");
+				continue;
+			}
+			if (data.NameLists.Count == 0) {
+				Logger.Warn($"Culture {cultureId} has no name list defined! Skipping.");
+				continue;
+			}
+			if (data.Color is null) {
+				Logger.Warn($"Culture {cultureId} has no color defined! Will use generated color.");
+				var color = new ColorHash().Rgb(cultureId);
+				data.Color = new Color(color.R, color.G, color.B);
+			}
+			AddOrReplace(new Culture(cultureId, data));
 		}
-		AddOrReplace(new Culture(cultureId, cultureData));
 	}
 
 	private void ReplaceInvalidatedParents() {