1913 (MCMXIII) was a common year starting on Wednesday of the Gregorian calendar, and a common year starting on a Tuesday in the 13-day slower Julian calendar. It was the 913th year of the 2nd Millennium, 13th year of the 20th Century and the 4th year of the 1910s decade.
|Centuries:||19th century – 20th century – 21st century|
|Decades:||1880s 1890s 1900s – 1910s – 1920s 1930s 1940s|
|Years:||1910 1911 1912 – 1913 – 1914 1915 1916|
- First and Second Balkan Wars
- Mexican Revolution
- March 4 - Woodrow Wilson becomes the 28th President of the United States, succeeding William Howard Taft.
- March 12 - Building work begins on the new capital city of Canberra in Australia.
- May 29 - Rite of Spring performance in Paris.
- July 10 - A temperature of 134.1 °F (56.7 °C) is recorded in Death Valley, California.
- October 14 - The Senghenydd colliery disaster in Wales kills 439 people, in the United Kingdom's deadliest mining tragedy.
- November 7 to November 11 - The Great Lakes Storm of 1913 kills over 250 people. Nineteen ships are lost.
- December 12 - The Mona Lisa is recovered in Florence.
- George Herriman's comic strip Krazy Kat is launched in American newspapers
- January 9 – Richard Nixon, 37th President of the United States (d. 1994)
- January 10 – Gustáv Husák, First Secretary of the Communist Party of Czechoslovakia (d. 1991)
- March 18 - René Clément, French movie director (d. 1996)
- March 26 – Paul Erdős, Hungarian mathematician (d. 1996)
- Additional victims of storm include the three victims from the freighter William Nottingham, who volunteered to leave the ship on a lifeboat in search of assistance. While the boat was being lowered into the water, a breaking wave smashed it into the side of the ship. The men disappeared into the near-freezing waters below. At least four persons not on ships also perished because of the 1913 storm: two persons in Cleveland; and a missing duck hunter (see List of Victims of 1913 storm Archived 2020-07-14 at the Wayback Machine) and a train conductor (see Thomas Fletcher find a grave memorial).