On this day: December 18
December 18 is the 352nd day of the year (353rd in leap years), with 13 days left until the end of the year.
Events on December 18
- 1118 The city of Zaragoza is conquered by king Alfonso I of Aragon from the Almoravid. Wikipedia
- 1271 Kublai Khan renames his empire "Yuan" (元 yuán), officially marking the start of the Yuan dynasty of Mongolia and China. Wikipedia
- 1499 Muslims in Granada began a rebellion against their Castilian rulers in response to forced conversions to Catholicism. Wikipedia
- 1622 Portuguese forces score a military victory over the Kingdom of Kongo at the Battle of Mbumbi in present-day Angola. Wikipedia
- 1787 New Jersey becomes the third state to ratify the U.S. Constitution. Wikipedia
- 1792 Thomas Paine was found guilty of seditious libel for the publication of the second part of his book Rights of Man. Wikipedia
- 1833 The national anthem of the Russian Empire, "God Save the Tsar!", is first performed. Wikipedia
- 1867 A magnitude 7.0 earthquakes strikes off the coast of Taiwan, triggering a tsunami and killing at least 580 people. Wikipedia
- 1878 The Al-Thani family become the rulers of the state of Qatar. Wikipedia
- 1892 The Nutcracker by Pyotr Ilyich Tchaikovsky premiers in Saint Petersburg, Russia. Wikipedia
- 1916 World War I: The Battle of Verdun ends when the second French offensive pushes the Germans back two or three kilometres, causing them to cease their attacks. Wikipedia
- 1935 The Lanka Sama Samaja Party is founded in Ceylon. Wikipedia
- 1939 Second World War: The Luftwaffe won a victory over the Royal Air Force in the Battle of the Heligoland Bight, greatly influencing both sides' future aerial warfare strategy. Wikipedia
- 1939 World War II: The Battle of the Heligoland Bight, the first major air battle of the war, takes place. Wikipedia
- 1944 The Supreme Court of the United States issued its decision in Korematsu v. United States supporting Franklin D. Roosevelt's Executive Order 9066 which cleared the way for the incarceration of nearly all 120,000 Japanese Americans, two-thirds of whom were U.S. citizens, born and raised in the United States. Wikipedia
- 1966 Saturn's moon Epimetheus is discovered by astronomer Richard Walker. Wikipedia
- 1972 Vietnam War: President Richard Nixon announces that the United States will engage North Vietnam in Operation Linebacker II, a series of Christmas bombings, after peace talks collapsed with North Vietnam on the 13th. Wikipedia
- 1973 Soviet Soyuz Programme: Soyuz 13, crewed by cosmonauts Valentin Lebedev and Pyotr Klimuk, is launched from Baikonur in the Soviet Union. Wikipedia
- 1977 SA de Transport Aérien Flight 730 crashes near Madeira Airport in Funchal, Madeira, Portugal, killing 36. Wikipedia
- 1999 NASA launches into orbit the Terra platform carrying five Earth Observation instruments, including ASTER, CERES, MISR, MODIS and MOPITT. Wikipedia
- 2002 California gubernatorial recall: Then Governor of California Gray Davis announces that the state would face a record budget deficit of $35 billion, roughly double the figure reported during his reelection campaign one month earlier. Wikipedia
- 2005 The Chadian Civil War begins when rebel groups, allegedly backed by neighbouring Sudan, launch an attack in Adré. Wikipedia
- 2006 The first of a series of floods strikes Malaysia. The death toll of all flooding is at least 118, with over 400,000 people displaced. Wikipedia
- 2006 United Arab Emirates holds its first-ever elections. Wikipedia
- 2015 Kellingley Colliery, the last deep coal mine in Great Britain, closes. Wikipedia
- 2023 A series of mass protests began in Belgrade, Serbia, alleging electoral irregularities in the Serbian parliament and Belgrade city assembly elections. Wikipedia
Born on December 18
- 1406 Richard Olivier de Longueil, French Roman Catholic bishop and cardinal (died 1470) Wikipedia
- 1626 Christina, Queen of Sweden (died 1689) Wikipedia
- 1856 J. J. Thomson, English physicist and academic, Nobel Prize laureate (died 1940) Wikipedia
- 1863 Archduke Franz Ferdinand of Austria (died 1914) Wikipedia
- 1878 Joseph Stalin, Georgian-Russian marshal and politician,General Secretary of the Communist Party of the Soviet Union (died 1953) Wikipedia
- 1879 Paul Klee, Swiss-German painter and educator (died 1940) Wikipedia
- 1913 Willy Brandt, German politician, 4th Chancellor of Germany, Nobel Prize laureate (died 1992) Wikipedia
- 1939 Harold E. Varmus, American biologist and academic, Nobel Prize laureate Wikipedia
- 1943 Keith Richards, English musician Wikipedia
- 1946 Steven Spielberg, American director, producer, and screenwriter, co-founded DreamWorks Wikipedia
- 1946 Steve Biko, South African activist, founded the Black Consciousness Movement (died 1977) Wikipedia
- 1954 Ray Liotta, American actor (died 2022) Wikipedia
- 1963 Brad Pitt, American actor and producer Wikipedia
- 1963 Pierre Nkurunziza, Burundian soldier and politician, 9th President of Burundi (died 2020) Wikipedia
- 1970 DMX, American rapper and actor (died 2021) Wikipedia
- 1971 Arantxa Sánchez Vicario, Spanish tennis player and sportscaster Wikipedia
- 1975 Sia, Australian singer-songwriter Wikipedia
- 1978 Katie Holmes, American actress Wikipedia
- 1980 Christina Aguilera, American singer-songwriter, producer, and actress Wikipedia
- 1989 Ashley Benson, American actress and singer Wikipedia
- 1992 Bridgit Mendler, American singer-songwriter and actress Wikipedia
- 2001 Billie Eilish, American singer Wikipedia
Died on December 18
- 1737 Antonio Stradivari, Italian instrument maker (born 1644) Wikipedia
- 1803 Johann Gottfried Herder, German philosopher, theologian, and poet (born 1744) Wikipedia
- 1829 Jean-Baptiste Lamarck, French soldier, biologist, and academic (born 1744) Wikipedia
- 1848 Bernard Bolzano, Bohemian priest and mathematician (born 1781) Wikipedia
- 1892 Richard Owen, English biologist, anatomist, and paleontologist (born 1804) Wikipedia
- 1932 Eduard Bernstein, German theorist and politician (born 1850) Wikipedia
- 1972 Neilia Hunter Biden, first wife of Joe Biden (born 1942) Wikipedia
- 1980 Alexei Kosygin, Russian soldier and politician, 8th Premier of the Soviet Union (born 1904) Wikipedia
- 1995 Konrad Zuse, German engineer, designed the Z3 computer (born 1910) Wikipedia
- 1999 Robert Bresson, French director and screenwriter (born 1901) Wikipedia
- 2008 Mark Felt, American FBI agent, "Deep Throat" informant in the Watergate scandal (born 1913) Wikipedia
- 2011 Václav Havel, Czech poet, playwright, and politician, 1st President of the Czech Republic (born 1936) Wikipedia
- 2014 Virna Lisi, Italian actress (born 1936) Wikipedia
- 2016 Zsa Zsa Gabor, Hungarian-American actress and socialite (born 1917) Wikipedia
Holidays and observances
- Christian feast day: Expectation of the Blessed Virgin Mary Wikipedia
- Christian feast day: Flannán Wikipedia
- Christian feast day: Gatianus of Tours Wikipedia
- Christian feast day: O Adonai Wikipedia
- Christian feast day: Sebastian (Eastern Orthodox Church) Wikipedia
- Christian feast day: Winibald Wikipedia
- Christian feast day: December 18 (Eastern Orthodox liturgics) Wikipedia
- International Migrants Day Wikipedia
- National Day (Qatar) Wikipedia
- Republic Day (Niger) Wikipedia
- UN Arabic Language Day (United Nations) Wikipedia
The events, births, deaths and observances above are from the English Wikipedia article “December 18” and the articles it links to (authors and history), retrieved 2026-10-09 through the Wikimedia “On this day” feed. They are licensed under CC BY-SA 4.0; this selection is shared under the same licence. We picked the 26 events, 22 births and 14 deaths with the widest coverage across Wikipedia's language editions (counted from Wikidata) and sorted them by year; the wording is unchanged apart from removing references to pictures.