1930's and 1940's

  • 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