When were the Persian wars? When was the Vietnam War? When was the Italo-Ethiopian War? When was the invasion of Czechoslovakia? When was the Lebanese Civil War? When was the Boshin War? When did Austria-Hungary enter WW1? When did serfdom end in Bosnia? When was the Russian Civil War...
When did the Chinese Communist Revolution start? When was the Rodney King riots? When did the Philippine Revolution end? When did Boudicca revolt? When was the Boshin War? When was the Reign of Terror? When was the Pottawatomie Massacre?