History of The Atomic Bomb

By JHunter2248
  • Pearl Harbor

    Pearl Harbor

    The Japanese attack the U.S navy base at Pearl Harbor, Hawaii, destroying 188 aircraft and causing over 4,000 U.S casualties
  • Declaration of war on the Empire of Japan

    Declaration of war on the Empire of Japan

    The United States declares war on Japan
  • Period: to

    Manhattan Project

    Started in 1939, active from 1942-1945, and disbanded in 1947, the Manhattan Project produced and tested the world's first atomic bombs.
  • Yalta Conference

    Yalta Conference

    Stalin, Churchill, and Truman attend this conference to discuss the rebuilding and reorganization of Europe.
  • Franklin D. Roosevelt's Death

    Franklin D. Roosevelt's Death

    Franklin D. Rooselevelt passes away and Vice President, Harry S. Truman becomes the 33rd President of the United States.
  • Trinity

    Trinity

    The United States tests the first atomic bomb in New Mexico (operation codename: Trinity)
  • Potsdam Declaration

    Potsdam Declaration

    The Potsdam Declaration called for the unconditional surrender of the Japanese and stated that if they did not surrender, it was subject to "utter destruction".
  • Atomic bombing of Hiroshima

    Atomic bombing of Hiroshima

    Atomic bomb, codename; Little Boy, was dropped on Hiroshima, causing roughly 66,000 deaths and 69,000 injuries.
  • Atomic Bombing of Nagasaki

    Atomic Bombing of Nagasaki

    The atomic bomb, codename; Fat Man, was dropped on Nagasaki causing roughly 44,000 deaths.
  • Start of the Cold War

    Start of the Cold War

    It is agreed by many scientists that the cold war started rouhgly in 1947 and ended in 1989