Edgar Rice Burroughs was an American author best known for creating the jungle hero Tarzan and the science fiction character John Carter of Mars. His works significantly shaped 20th-century pulp fiction and adventure genres.
Germany invades Poland, prompting Britain and France to declare war and starting the deadliest conflict in human history.
American chess grandmaster Bobby Fischer defeats Boris Spassky to become the World Chess Champion.
A joint US-French expedition led by Robert Ballard locates the wreck of the RMS Titanic on the ocean floor.