On this day: August 18

Events on August 18

• 684 Second Fitna: Umayyad partisans defeated the supporters of Abd Allah ibn al-Zubayr near Damascus, cementing Umayyad control of Syria. Wikipedia
• 1492 The first grammar of the Spanish language (Gramática de la lengua castellana) is presented to Queen Isabella I. Wikipedia
• 1572 The Huguenot King Henry III of Navarre marries the Catholic Margaret of Valois, ostensibly to reconcile the feuding Protestants and Catholics of France. Wikipedia
• 1590 John White, governor of the Roanoke Colony, the first English settlement in North America (located in present-day North Carolina), returned after a three-year absence to find it deserted. Wikipedia
• 1759 Beginning of the battle of Lagos, in which a British fleet defeats a French fleet trying to slip through Gibraltar. Wikipedia
• 1864 American Civil War: At the Battle of Globe Tavern, Union forces attempted to sever the Weldon Railroad during the siege of Petersburg. Wikipedia
• 1864 American Civil War: Battle of Globe Tavern: Union forces try to cut a vital Confederate supply-line into Petersburg, Virginia, by attacking the Wilmington and Weldon Railroad. Wikipedia
• 1868 French astronomer Pierre Janssen discovers helium. Wikipedia
• 1877 American astronomer Asaph Hall discovers Phobos, one of Mars's moons. Wikipedia
• 1891 A hurricane struck the Caribbean island of Martinique, killing about 700 people, injuring at least 1,000 others, and causing severe damage. Wikipedia
• 1891 A major hurricane strikes Martinique, leaving 700 dead. Wikipedia
• 1903 German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers. Wikipedia
• 1938 The Thousand Islands Bridge, connecting New York, United States, with Ontario, Canada, over the Saint Lawrence River, is dedicated by U.S. President Franklin D. Roosevelt. Wikipedia
• 1940 Second World War: During the Battle of Britain, the Luftwaffe made an all-out effort to destroy RAF Fighter Command, with both sides combined losing more aircraft on this day than at any other point during the campaign. Wikipedia
• 1940 World War II: The Hardest Day air battle, part of the Battle of Britain, takes place. At that point, it is the largest aerial engagement in history with heavy losses sustained on both sides. Wikipedia
• 1945 World War II: Amid a Soviet invasion of Japanese-held Sakhalin, Japanese police massacred 18 Koreans in Kamishisuka. Wikipedia
• 1945 Soviet-Japanese War: Battle of Shumshu: Soviet forces land at Takeda Beach on Shumshu Island and launch the Battle of Shumshu; the Soviet Union's Invasion of the Kuril Islands commences. Wikipedia
• 1958 Brojen Das from Bangladesh swims across the English Channel in a competition as the first Bengali and the first Asian to do so, placing first among the 39 competitors. Wikipedia
• 1965 Vietnam War: Operation Starlite begins: United States Marines destroy a Viet Cong stronghold on the Van Tuong peninsula in the first major American ground battle of the war. Wikipedia
• 1966 Vietnam War: Members of the 6th Battalion of the Royal Australian Regiment were surrounded by a much larger Viet Cong unit at the Battle of Long Tan (helicopter pictured), but held them off for several hours until reinforcements arrived. Wikipedia
• 1971 Vietnam War: Australia and New Zealand decide to withdraw their troops from Vietnam. Wikipedia
• 1976 The Soviet Union's robotic probe Luna 24 successfully lands on the Moon. Wikipedia
• 1983 Hurricane Alicia hits the Texas coast, killing 21 people and causing over US$1 billion in damage (1983 dollars). Wikipedia
• 1989 Leading presidential hopeful Luis Carlos Galán is assassinated near Bogotá in Colombia. Wikipedia
• 2005 A massive power blackout hits the Indonesian island of Java; affecting almost 100 million people, it is one of the largest and most widespread power outages in history. Wikipedia
• 2019 One hundred activists, officials, and other concerned citizens in Iceland hold a funeral for Okjökull glacier, which has completely melted after having once covered six square miles (15.5 km2). Wikipedia

Born on August 18

• 1700 Baji Rao I, first Peshwa of Maratha Empire (died 1740) Wikipedia
• 1750 Antonio Salieri, Italian composer and conductor (died 1825) Wikipedia
• 1792 John Russell, 1st Earl Russell, English politician, Prime Minister of the United Kingdom (died 1878) Wikipedia
• 1830 Franz Joseph I, Emperor of Austria from 1848-1916 (died 1916) Wikipedia
• 1890 Walther Funk, German economist and politician, Reich Minister of Economics, convicted Nuremberg war criminal (died 1960) Wikipedia
• 1900 Ruth Bonner, Soviet Communist activist, sentenced to a labor camp during Joseph Stalin's Great Purge (died 1987) Wikipedia
• 1908 Edgar Faure, French historian and politician, 139th Prime Minister of France (died 1988) Wikipedia
• 1914 Lucy Ozarin, United States Navy lieutenant commander and psychiatrist (died 2017) Wikipedia
• 1920 Shelley Winters, American actress (died 2006) Wikipedia
• 1923 Katherine Victor, American actress (died 2004)[better source needed] Wikipedia
• 1927 Rosalynn Carter, 41st First Lady of the United States (died 2023) Wikipedia
• 1932 Luc Montagnier, French virologist and academic, Nobel Prize laureate (died 2022) Wikipedia
• 1933 Roman Polanski, French-Polish director, producer, screenwriter, and actor Wikipedia
• 1933 Just Fontaine, Moroccan-French footballer and manager (died 2023) Wikipedia
• 1936 Robert Redford, American actor, director, and producer (died 2025) Wikipedia
• 1948 John Scarlett, English intelligence officer, former head of MI6 Wikipedia
• 1952 Patrick Swayze, American actor and dancer (died 2009) Wikipedia
• 1962 Felipe Calderón, Mexican lawyer and politician, 56th President of Mexico Wikipedia
• 1969 Edward Norton, American actor Wikipedia
• 1980 Esteban Cambiasso, Argentinian footballer Wikipedia
• 1983 Mika, Lebanese-born English recording artist and singer-songwriter Wikipedia
• 1997 Renato Sanches, Portuguese footballer Wikipedia

Died on August 18

• 440 Pope Sixtus III Wikipedia
• 911 Al-Hadi ila'l-Haqq Yahya, first Zaydi Imam of Yemen (born 859) Wikipedia
• 1503 Pope Alexander VI (born 1431) Wikipedia
• 1559 Pope Paul IV (born 1476) Wikipedia
• 1850 Honoré de Balzac, French novelist and playwright (born 1799) Wikipedia
• 1852 James Finlayson, Scottish Quaker (born 1772) Wikipedia
• 1945 Subhas Chandra Bose, Indian activist and politician (born 1897) Wikipedia
• 1964 Hildegard Trabant, Berlin Wall victim (born 1927) Wikipedia
• 1990 B. F. Skinner, American psychologist and philosopher, invented the Skinner box (born 1904) Wikipedia
• 2009 Kim Dae-jung, South Korean lieutenant and politician, 15th President of South Korea, Nobel Prize laureate (born 1925) Wikipedia
• 2015 Suvra Mukherjee, wife of Indian president Pranab Mukherjee (born 1940) Wikipedia
• 2018 Kofi Annan, Ghanaian diplomat and seventh Secretary-General of the United Nations (born 1938) Wikipedia
• 2023 Lolita, the second-oldest orca in captivity (born ca. 1966) Wikipedia
• 2024 Alain Delon, French-Swiss actor (born 1935) Wikipedia

Holidays and observances

• Christian feast day: Agapitus of Palestrina Wikipedia
• Christian feast day: Alberto Hurtado Wikipedia
• Christian feast day: Daig of Inniskeen Wikipedia
• Christian feast day: Evan (or Inan) Wikipedia
• Christian feast day: Fiacre Wikipedia
• Christian feast day: Florus and Laurus Wikipedia
• Christian feast day: Helena of Constantinople (Roman Catholic Church) Wikipedia
• Christian feast day: August 18 (Eastern Orthodox liturgics) Wikipedia
• Arbor Day (Pakistan) Wikipedia
• Armed Forces Day (North Macedonia) Wikipedia
• Birthday of Virginia Dare (Roanoke Island) Wikipedia
• Constitution Day (Indonesia) Wikipedia
• Long Tan Day, also called Vietnam Veterans' Day (Australia) Wikipedia
• National Science Day (Thailand) Wikipedia

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