1941
- Japanese Attack Pearl Harbor
- Jeep Invented
- Manhattan Project Begins
- Mount Rushmore Completed
- Nazi Rudolf Hess Flies to Britain on a Peace Mission
- Siege of Leningrad
1942
- Anne Frank Goes Into Hiding
- Battle of Midway
- Battle of Stalingrad
- Japanese-Americans Held in Camps
- Nazis Raze Town in Retaliation for Reinhard Heydrich's Death
- T-shirt Introduced
1943
- French Resistance Leader Jean Moulin Killed
- Grave of Katyn Forest Massacre Found
- Italy Joins the Allies
- Warsaw Ghetto Uprising
1944
- Ballpoint Pens Go On Sale
- D-Day
- First German V1 and V2 Rockets Fired
- Hitler Escapes Assassination Attempt
1945
- FDR Dies
- First Computer Built (ENIAC)
- Germans Surrender
- Hitler Commits Suicide
- Microwave Oven Invented
- Slinky Toy Hits Shelves
- United Nations Founded
- U.S. Drops Atomic Bombs on Hiroshima and Nagasaki
1946
- Bikinis Introduced
- Dr. Spock Publishes The Common Book of Baby and Child Care
- Juan Perón Becomes President of Argentina
- Nuremberg Trials
- Winston Churchill Gives His "Iron Curtain" Speech
1947
- Chuck Yeager Breaks the Sound Barrier
- Dead Sea Scrolls Discovered
- Jewish Refugees Aboard the Exodus Turned Back by British
- Marshall Plan
- Polaroid Cameras Invented
1948
- Berlin Airlift
- "Big Bang" Theory Formulated
- "Dewey Defeats Truman" in the Newspaper
- Gandhi Assassinated
- Policy of Apartheid Begun
- State of Israel Founded
1949
- China Becomes Communist
- First Non-Stop Flight Around the World
- George Orwell Publishes Nineteen Eight-Four
- NATO Established
- Soviet Union Has Atomic Bomb
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