Dude they missed the Florida Purchase and the Luisiana Purchase and the Indian Removal Act they missed the American civil war they missed the trade with Liechtenstein-Russia but Liechtenstein said no so Russia send it to USA Germany was not having Kaliningrad Poland was supposed to have a little of land in west Belarus and in west Ukraine plus Estonia and Latvia And Lithuania were not annexed in 1939 by soviet they were annexed in 1940 plus Switzerland wasn’t annexed by Germany in world war 2 Switzerland was neutral in both wars plus you missed the world war 1 plus you forgot Pearl Harbor, so this was not educational also you forgot the Irish Revolution War and plus in the 1700’s Ireland was under British control