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With the assassination of Archduke Franz Ferdinand World War 1 began -
Treaty signed between Germany and the Allies ended world war 1 -
The 19th amendment of the US Constitution is ratified giving women the right to vote -
Germany invaded Poland which started World War 2 -
Japan attacks US ship at Pearl Harbor. Doing this caused the US to declare war on Japan -
After the the US dropped atomic bombs on Japan they surrendered -
With the political tension rising between the US and the Soviet Union the cold war began -
Supreme court case that outlawed racial segregation in public schools. -
Conflict between North and South Vietnam leads to war -
The fall of Saigon led to the end of the Vietnam war -
The Cold War ended because of the collapse of the Soviet Union.