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World War I
A war involving many of the world's high powers. Mainly fought in trenches, it was a long and bloody war. It has been nicknamed "The War to End All Wars" because of the gory battles and long duration. -
Collectivising Agriculture begins in the USSR
Stalin began collectivising agriculture in hopes of boosting the economie. However this failed, and resulted in the deaths of millions of Kulaks. -
World War II
Another world war with more casualties than any other war, including the holocaust. More tactics were used in this war than in the previous world war. -
Rosa Parks' bus trip
As a African American civil rights activist, Rosa refused to make room for a "white" person on a bus. She was later taken to prison.