On this day: July 18

Events on July 18

• 1195 Battle of Alarcos: Almohad forces defeat the Castilian army of Alfonso VIII and force its retreat to Toledo. Wikipedia
• 1334 The bishop of Florence blesses the first foundation stone for the new campanile (bell tower) of the Florence Cathedral, designed by the artist Giotto di Bondone. Wikipedia
• 1389 France and England agree to the Truce of Leulinghem, inaugurating a 13-year peace, the longest period of sustained peace during the Hundred Years' War. Wikipedia
• 1507 In Brussels, Prince Charles I is crowned Duke of Burgundy and Count of Flanders, a year after inheriting the title. Wikipedia
• 1723 Johann Sebastian Bach directed the first performance of his cantata Erforsche mich, Gott, und erfahre mein Herz in Leipzig. Wikipedia
• 1723 Johann Sebastian Bach leads the first performance of his cantata Erforsche mich, Gott, und erfahre mein Herz, BWV 136, in Leipzig on the eighth Sunday after Trinity. Wikipedia
• 1863 American Civil War: Led by Colonel Robert Gould Shaw, the 54th Massachusetts Infantry Regiment, one of the first African-American military units in the Union Army, spearheaded an assault on Fort Wagner, South Carolina. Wikipedia
• 1863 American Civil War: Second Battle of Fort Wagner: One of the first formal African American military units, the 54th Massachusetts Volunteer Infantry, supported by several white regiments, attempts an unsuccessful assault on Confederate-held Battery Wagner. Wikipedia
• 1925 Adolf Hitler publishes Mein Kampf. Wikipedia
• 1936 Nationalist rebels attempted a coup against the Second Spanish Republic, sparking the Spanish Civil War. Wikipedia
• 1942 World War II: During the Beisfjord massacre in Norway, 15 Norwegian paramilitary guards help members of the SS to kill 288 political prisoners from Yugoslavia. Wikipedia
• 1966 Angered by racism and poverty, African American residents of the Hough neighborhood of Cleveland began to riot for six days. Wikipedia
• 1966 A racially charged incident in a bar sparks the six-day Hough riots in Cleveland, Ohio; 1,700 Ohio National Guard troops intervene to restore order. Wikipedia
• 1976 Nadia Comăneci becomes the first person in Olympic Games history to score a perfect 10 in gymnastics at the 1976 Summer Olympics. Wikipedia
• 1981 A Canadair CL-44 and Sukhoi Su-15 collide in mid-air near Yerevan, Armenia, killing four. Wikipedia
• 1982 Two hundred sixty-eight Guatemalan campesinos ("peasants" or "country people") are slain in the Plan de Sánchez massacre. Wikipedia
• 1984 Parts of the dismembered body of Swedish prostitute Catrine da Costa were found in Stockholm. Wikipedia
• 1984 A gunman massacred 21 people and injured 15 others at a McDonald's restaurant in the district of San Ysidro of San Diego, California. Wikipedia
• 1992 A picture of Les Horribles Cernettes was taken, which became the first ever photo posted to the World Wide Web. Wikipedia
• 1994 Rwandan genocide: The Rwandan Patriotic Front takes control of Gisenyi and north western Rwanda, forcing the interim government into Zaire and ending the genocide. Wikipedia
• 1994 The bombing of the Asociación Mutual Israelita Argentina (Argentine Jewish Community Center) in Buenos Aires kills 85 people (mostly Jewish) and injures 300. Wikipedia
• 1995 On the Caribbean island of Montserrat, the Soufrière Hills volcano erupts. Over the course of several years, it devastates the island, destroying the capital, forcing most of the population to flee. Wikipedia
• 1996 Storms provoke severe flooding on the Saguenay River, beginning one of Quebec's costliest natural disasters ever. Wikipedia
• 2012 A suicide bomber attacked an Israeli tour bus at Burgas Airport, Bulgaria, resulting in the military branch of Hezbollah being designated a terrorist organization by the European Union. Wikipedia
• 2014 The conviction of former Italian prime minister Silvio Berlusconi, who had been found guilty of paying for an underage prostitute, was overturned on appeal. Wikipedia
• 2014 The Islamic State of Iraq and the Levant requires Christians to either accept dhimmi status, emigrate from ISIL lands, or be killed. Wikipedia

Born on July 18

• 1552 Rudolf II, Holy Roman Emperor (died 1612) Wikipedia
• 1811 William Makepeace Thackeray, English author and poet (died 1863) Wikipedia
• 1853 Hendrik Lorentz, Dutch physicist and academic, Nobel Prize laureate (died 1928) Wikipedia
• 1887 Vidkun Quisling, Norwegian military officer and politician, Minister President of Norway (died 1945) Wikipedia
• 1890 Frank Forde, Australian educator and politician, 15th Prime Minister of Australia (died 1983) Wikipedia
• 1909 Andrei Gromyko, Belarusian-Russian economist and politician, Soviet Minister of Foreign Affairs (died 1989) Wikipedia
• 1918 Nelson Mandela, South African lawyer and politician, 1st President of South Africa, Nobel Prize laureate (died 2013) Wikipedia
• 1921 John Glenn, American colonel, astronaut, and politician (died 2016) Wikipedia
• 1922 Thomas Kuhn, American physicist, historian, and philosopher (died 1996) Wikipedia
• 1927 Mehdi Hassan, Pakistani ghazal singer and playback singer (died 2012) Wikipedia
• 1933 Yevgeny Yevtushenko, Russian poet and playwright (died 2017) Wikipedia
• 1937 Roald Hoffmann, Polish chemist and academic, Nobel Prize laureate Wikipedia
• 1937 Hunter S. Thompson, American journalist and author (died 2005) Wikipedia
• 1938 Paul Verhoeven, Dutch director, producer, and screenwriter Wikipedia
• 1942 Giacinto Facchetti, Italian footballer (died 2006) Wikipedia
• 1948 Hartmut Michel, German biochemist and academic, Nobel Prize laureate Wikipedia
• 1950 Richard Branson, English businessman, founded Virgin Group Wikipedia
• 1951 Elio Di Rupo, Belgian chemist, academic, and politician, 68th Prime Minister of Belgium Wikipedia
• 1967 Vin Diesel, American actor, director, producer, and screenwriter Wikipedia
• 1975 M.I.A., English rapper and producer Wikipedia
• 1980 Kristen Bell, American actress Wikipedia
• 1982 Priyanka Chopra, Indian actress, singer, and film producer Wikipedia

Died on July 18

• 707 Emperor Monmu of Japan (born 683) Wikipedia
• 928 Stephen II, patriarch of Constantinople Wikipedia
• 1100 Godfrey of Bouillon, Frankish knight (born 1016) Wikipedia
• 1566 Bartolomé de las Casas, Spanish bishop and historian (born c.1484) Wikipedia
• 1610 Caravaggio, Italian painter (born 1571) Wikipedia
• 1721 Jean-Antoine Watteau, French painter (born 1684) Wikipedia
• 1817 Jane Austen, English novelist (born 1775) Wikipedia
• 1872 Benito Juárez, Mexican lawyer and politician, 26th President of Mexico (born 1806) Wikipedia
• 1938 Marie of Romania (born 1875) Wikipedia
• 1968 Corneille Heymans, Belgian physiologist and academic, Nobel Prize laureate (born 1892) Wikipedia
• 1982 Roman Jakobson, Russian–American linguist and theorist (born 1896) Wikipedia
• 1988 Nico, German singer-songwriter, keyboard player, and actress (born 1938) Wikipedia
• 1990 Yun Posun, South Korean politician, 2nd President of South Korea (born 1897) Wikipedia
• 2024 Bob Newhart, American comedian and actor (born 1929) Wikipedia

Holidays and observances

• Christian feast day: Arnulf of Metz Wikipedia
• Christian feast day: Bruno of Segni Wikipedia
• Christian feast day: Camillus de Lellis (optional memorial, United States only) Wikipedia
• Christian feast day: Eadburh (or Edburga) of Bicester Wikipedia
• Christian feast day: Elizabeth Ferard (Church of England) Wikipedia
• Christian feast day: Frederick of Utrecht Wikipedia
• Christian feast day: Maternus of Milan Wikipedia
• Christian feast day: Pambo Wikipedia
• Christian feast day: Philastrius Wikipedia
• Christian feast day: Symphorosa Wikipedia
• Christian feast day: Theodosia of Constantinople Wikipedia
• Christian feast day: July 18 (Eastern Orthodox liturgics) Wikipedia
• Constitution Day (Uruguay) Wikipedia
• Nelson Mandela International Day Wikipedia

The events, births, deaths and observances above are from the English Wikipedia article “July 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.