diff --git a/EU4ToVic3/Data_Files/configurables/colonial_regions.txt b/EU4ToVic3/Data_Files/configurables/colonial_regions.txt
index ef51a96af..3c8ff9b9e 100644
--- a/EU4ToVic3/Data_Files/configurables/colonial_regions.txt
+++ b/EU4ToVic3/Data_Files/configurables/colonial_regions.txt
@@ -61,7 +61,7 @@ argentine_colony = {
 	split_name = "$PARENT$-Platinean"
 }
 africa_colony = {
-	region = niger_region region = guinea_region region = central_africa_region region = sahel_region region = horn_of_africa_region region = east_africa_region region = kongo_region region = south_africa_region
+	region = region_nile_basin region = region_ethiopia region = region_north_africa region = region_senegal region = region_niger region = region_congo region = region_southern_africa region = region_zanj
 	alone_name = "Neo-African"
 	split_name = "$PARENT$-African"
 }
diff --git a/EU4ToVic3/Data_Files/configurables/Extended Timeline_province_mappings.txt b/EU4ToVic3/Data_Files/configurables/et_province_mappings.txt
similarity index 100%
rename from EU4ToVic3/Data_Files/configurables/Extended Timeline_province_mappings.txt
rename to EU4ToVic3/Data_Files/configurables/et_province_mappings.txt
diff --git a/EU4ToVic3/Source/Configuration/Configuration.h b/EU4ToVic3/Source/Configuration/Configuration.h
index a64460de9..98394f011 100644
--- a/EU4ToVic3/Source/Configuration/Configuration.h
+++ b/EU4ToVic3/Source/Configuration/Configuration.h
@@ -66,13 +66,15 @@ class Configuration: commonItems::parser
 		bool downTiers = true;
 		double shapingFactor = 1.0;
 		// runtime options.
-		bool vn = false;				// Voltaire's Nightmare
-		bool thirdOdyssey = false; // Third Odyssey: Back to the Motherland
+		bool vn = false;					 // Voltaire's Nightmare
+		bool thirdOdyssey = false;		 // Third Odyssey: Back to the Motherland
+		bool extendedTimeline = false; // Extended Timeline
 	} configBlock;
 
 	void setOutputName(const std::string& name) { outputName = name; }
 	void setVN() { configBlock.vn = true; }
 	void setTO() { configBlock.thirdOdyssey = true; }
+	void setET() { configBlock.extendedTimeline = true; }
 	void setEurocentric() { configBlock.euroCentric = EUROCENTRISM::EuroCentric; }
 	void setVanillaStartDate() { configBlock.startDate = STARTDATE::Vanilla; }
 
diff --git a/EU4ToVic3/Source/EU4World/World.cpp b/EU4ToVic3/Source/EU4World/World.cpp
index bb3fd3520..bba17fb39 100644
--- a/EU4ToVic3/Source/EU4World/World.cpp
+++ b/EU4ToVic3/Source/EU4World/World.cpp
@@ -220,7 +220,6 @@ void EU4::World::registerKeys(const std::shared_ptr<Configuration>& theConfigura
 			}
 			if (mod.name == "Third Odyssey: Back to the Motherland")
 			{
-				// throw std::runtime_error("1.8 update broke Third Odyssey: Back to the Motherland support. We're working on re-enabling it.");
 				Log(LogLevel::Notice) << "Third Odyssey: Back to the Motherland detected. Enabling TO support.";
 				theConfiguration->setTO();
 				if (theConfiguration->configBlock.euroCentric != Configuration::EUROCENTRISM::EuroCentric)
@@ -229,6 +228,11 @@ void EU4::World::registerKeys(const std::shared_ptr<Configuration>& theConfigura
 					theConfiguration->setEurocentric();
 				}
 			}
+			if (mod.name == "Extended Timeline")
+			{
+				Log(LogLevel::Notice) << "Extended Timeline detected. Enabling ET support.";
+				theConfiguration->setET();
+			}
 		}
 	});
 	registerKeyword("provinces", [this](std::istream& theStream) {
diff --git a/EU4ToVic3/Source/V3World/V3World.cpp b/EU4ToVic3/Source/V3World/V3World.cpp
index 11a2b465a..1df8898cc 100644
--- a/EU4ToVic3/Source/V3World/V3World.cpp
+++ b/EU4ToVic3/Source/V3World/V3World.cpp
@@ -45,6 +45,10 @@ V3::World::World(const Configuration& configuration, const EU4::World& sourceWor
 	{
 		provinceMapper.loadProvinceMappings("configurables/third_odyssey_province_mappings.txt");
 	}
+	else if (configuration.configBlock.extendedTimeline)
+	{
+		provinceMapper.loadProvinceMappings("configurables/et_province_mappings.txt");
+	}
 	else
 	{
 		provinceMapper.loadProvinceMappings("configurables/province_mappings.txt");