1945 in the United States

Events from the year 1945 in the United States. World War II ended during this year following the surrender of Germany in May and that of Japan in September.

1945
in
the United States

Decades:
  • 1920s
  • 1930s
  • 1940s
  • 1950s
  • 1960s
See also:

Incumbents

Federal Government

Events

January

January 20:Franklin D. Roosevelt, the President of the United States, begins his fourth term
Harry S. Truman becomes the 34th U.S. Vice President

February

February 4–11: Yalta Conference

March

April

April 12: Harry S. Truman becomes the 33rd U.S. President upon the death of Franklin D. Roosevelt

May

July

August

  • August 6 WW II: Atomic bombing of Hiroshima: The United States drops an atomic bomb (nicknamed "Little Boy") on Hiroshima, Japan, at 8:15 a.m. (local time). This sent shockwaves throughout the world as the first atomic bomb used on civilians.
  • August 7 President Harry Truman announces the successful bombing of Hiroshima with the atomic bomb, while returning from the Potsdam Conference aboard the U.S. Navy heavy cruiser USS Augusta in the middle of the Atlantic Ocean.
  • August 8 The United Nations Charter is ratified by the United States Senate, and this nation becomes the third one to join the new international organization.
  • August 9 The United States drops an atomic bomb nicknamed "Fat Man" on Nagasaki, Japan, at 11:02 a.m. (local time).
  • August 14 (August 15 in Japan) Emperor Hirohito announces Japan's surrender on the radio. The United States calls this day V-J Day (Victory over Japan). This ends the period of Japanese expansionism and begins the period of Occupied Japan.
  • August 17 The United States and the U.S.S.R. split up the Korean Peninsula making North Korea and South Korea

September

  • September 2
  • September 5
    • The Russian code clerk Igor Gouzenko comes forward with numerous documents implicating the Soviet Union in numerous spy rings in North America: both in the United States and in Canada.
    • Iva Toguri D'Aquino, a Japanese-American suspected of being wartime radio propagandist "Tokyo Rose", is arrested in Yokohama.
  • September 8 American troops occupy southern Korea, while the Soviet Union occupies the north, with the dividing line being the 38th parallel of latitude. This arrangement proves to be the indirect beginning of a divided Korea.
  • September 9 The first actual case of a (computer) bug being found, is a moth lodged in a relay of a Harvard Mark II computer at the Naval Weapons Center in Dahlgren, Virginia.
  • September 20 – The Office of Strategic Services (OSS) is disbanded and split up among several other agencies.

October

November

December

Undated

Ongoing

Births

January

February

March

April

May

June

July

August

September

October

November

December

Date Unknown

Deaths

See also

References

  1. "Archived copy". Archived from the original on 2010-04-06. Retrieved 2005-12-17.CS1 maint: archived copy as title (link)
  2. "On This Day", New York Times, retrieved 24 August 2016
  3. "Susan Rothenberg". FAMSF Search the Collections. 10 May 2019. Retrieved 21 February 2020.
  4. "Bette Midler | Biography, Music, Movies, & Facts". Encyclopedia Britannica. Retrieved 23 October 2019.
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