Wikipedia:Selected anniversaries/September 14
- 1752 – In adopting the Gregorian calendar under the terms of the Calendar (New Style) Act 1750, the British Empire skipped eleven days (September 2 was followed directly by September 14).
- 1812 – The French invasion of Russia: Following the Battle of Borodino seven days earlier, Napoleon and his Grande Armée captured Moscow, only to find the city deserted and burning.
- 1901 – Theodore Roosevelt became President of the United States eight days after William McKinley was fatally wounded by anarchist Leon Czolgosz at the Pan-American Exposition in Buffalo, New York.
- 1959 – The Soviet spacecraft Luna 2 (pictured) crashed onto and became the first man-made object to reach the Moon.
- 1960 – Iran, Iraq, Kuwait, Saudi Arabia, and Venezuela founded the Organization of the Petroleum Exporting Countries (OPEC) to help unify and coordinate their petroleum policies.
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