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Great Depression
The stock market crashed, causing the worst economic downturn in the history of the industrialized world. -
Dust Bowl
Dust bowl caused a severe drought and damaged agriculture and ecology -
Pluto discovered
Scientists discovered pluto -
National Anthem became official
The star spangled banner was made the national anthem by congressional resolution -
Amelia Earhart
Amelia Earhart became the first woman to fly solo across the atlantic -
Cheeseburger
Cheeseburger was invented -
Monopoly came out
The parker brothers introduced the game board Monopoly. -
Golden Gate Bridge
The golden gate bridge was opened -
World war 2
World war 2 began -
Auschwitz
The Germans opened the Auschwitz concentration camp -
Pearl Harbor
Japanese attacked pearl harbor -
T-shirt
The t-shirt was invented -
WW2 in Europe
World war 2 ended in Europe -
Jackie Robinson
Jackie Robinson joined the Brooklyn Dodgers -
Mahatma Gandhi
Mahatma Gandhi was assassinated -
Atomic Bomb
The soviet union developed the atomic bomb