During World War II, the codebreakers at Bletchley Park in the UK successfully deciphered the German Enigma machine, significantly aiding Allied military efforts.
The war saw the first large-scale use of tanks in warfare, which revolutionized military tactics and strategies.
The largest amphibious invasion in history occurred on D-Day, June 6, 1944, when Allied forces landed on the beaches of Normandy, France.
The war also led to significant advancements in technology, including radar and early computers, which had lasting impacts on post-war society.
