War between the Central European Powers (Germany, Austria-Hungary, and allies) on one side and the Triple Entente (Britain and the British Empire, France, and Russia) and their allies, including the USA (which entered in 1917), on the other side.
When World War I ended in 1918, the victorious Allies, led by the UK, France, and the USA, held discussions at the palace of Versailles in 1919 on Germany and how to reorder Europe.
Broadly, the extension of rule or influence by one government, nation, or society over another.
The United States used an atomic bomb against the Japanese city of Hiroshima on 6 August 1945. Three days later, on August 9, it dropped a bomb on Nagasaki.
After World War II, the trials of the 24 chief Nazi war criminals November 1945-October 1946 by an international military tribunal consisting of four judges and four prosecutors.
US Pacific naval base on Oahu island, Hawaii, USA, the scene of a Japanese aerial attack on 7 December 1941, which brought the USA into World War II.
The wartime effort to design and build the first nuclear weapons (atomic bombs).
Or A-bomb, weapon deriving its explosive force from the release of atomic energy through the fission (splitting) of heavy nuclei.
A detention site outside the normal prison system created for military or political purposes to confine, terrorize, and, in some cases, kill civilians.
