October 13 is the 286th day (287th day in a leap year) in the Gregorian calendar.
1923 - Ankara replaces Istanbul as the capital of Turkey.
1943 – World War II: Italy's new government sided with the Allies and declared war on Germany.
1944 – World War II: The Latvian capital, Riga, is taken over by the Red Army.
1946 - France adopts the constitution of the Fourth Republic.
1773 - The Whirlpool Galaxy is discovered by Charles Messier.
1977 - Four Palestinians hijack a Lufthansa flight and demand the release of members of the Red Army Faction.
2011 - The crash of a passenger plane in Papua New Guinea, leaves 28 people dead.
709 - Emperor Kōnin of Japan (d. 781)
1821 – Rudolf Virchow, German physician, pathologist, biologist, and politician (d. 1902)
1911 - Ashok Kumar, Indian actor (d. 2001)
1921 - Yves Montand, Italian singer and actor (d. 1991)
1925 – Margaret Thatcher, Prime Minister of the United Kingdom
1931 – Raymond Kopa, French footballer
1934 - Nana Mouskouri, Greek singer and politician
1941 – Paul Simon, American singer and musician (Simon & Garfunkel)
1945 – Dési Bouterse, former President of Suriname
1947 - Putera Sampoerna, Indonesian businessman
1948 - Nusrat Fateh Ali Khan, Pakistani singer and musician (d. 1997)
1954 – Mordechai Vanunu, former Israeli nuclear technician
1964 - Nie Haisheng, Chinese astronaut
1968 - Carlos Marín, member of Il Divo
1971 - Sacha Baron Cohen, British comedian
1977 - Paul Pierce, United States basketball player
1979 - Wes Brown, English footballer
1982 - Ian Thorpe, Australian swimmer
1986 – Gabriel Agbonlahor, English footballer
1987 - Yudistira Ardhana, Indonesian magician and YouTuber
1993 - Francesca Sofia Novello, Italian model boyfriend of Valentino Rossi
1995 - Jimin, member of the South Korean music group BTS
2001 - Dimas Gabra, member of the music group New Super7
54 - Claudius, Roman Emperor (b. 10 BC)
1715 – Nicolas Malebranche, French philosopher (b. 1638)
1812 - Sir Isaac Brock, British general (died in battle) (b. 1769)
1815 – Joachim Murat, marshal of Napoleon and King of Naples and Sicily (b. 1767)
1919 – Karl Adolph Gjellerup, Danish writer, Nobel laureate (b. 1857)
1945 – Milton S. Hershey, American chocolate entrepreneur and philanthropist (b. 1857)
1973 - Albert Mandler, general of Israel, (b. 1929)
1987 – Walter Brattain, American physicist, Nobel laureate (b. 1902)
1990 - Lê c Thọ, Vietnamese general and politician, Nobel laureate (b. 1911)
2003 – Bertram Brockhouse, Canadian physicist, Nobel laureate (b. 1918)
2016 - Bhumibol Adulyadej, King of Thailand since 1946 (b. 1927)
Holidays and anniversaries
1989 - Birthday of the Prophet Muhammad SAW 1410 Hijri.
2007 - Eid Al-Fitr 1428 Hijri.
International Day for Natural Disaster Reduction
World No Bra Day 12 October - 13 October - 14 October