Wikipedia:Selected anniversaries/September 20
This is a list of selected September 20 anniversaries that appear in the "On this day" section of the Main Page. To suggest a new item, in most cases, you can be bold and edit this page. Before doing so, please review the selected anniversaries guidelines. If your suggestion is potentially controversial or relates to a day currently or soon to appear on the Main Page, post it on the talk page instead.
Please note:
- Events listed on the Main Page are selected based on article quality and to provide a diverse range of topics, rather than solely on the importance or significance of the events.
- Only four or five events are featured each day; therefore, not all important or significant events can be included.
- An event is generally excluded if it is already the subject of the scheduled featured article or picture of the day.
To report an error in content currently on the Main Page, see Wikipedia:Main Page/Errors. If a listed event is inaccurate, please first seek consensus and update the corresponding article before making changes here.
Images
Use only ONE image at a time
- Bobby Riggs
- Battle of Alma
- Battle of Alma
- Satellite image of Hurricane Irene–Olivia
- Pope Urban VI
- RMS Mauretania
- title=RMS Mauretania
Ineligible
| Blurb | Reason |
|---|---|
| Prinsjesdag in Netherlands (2011); | refimprove |
| Feast day of the Korean Martyrs (Roman Catholic Church) | lead too short, inappropriate tone |
| 1378 – Papal Schism: Unhappy with Pope Urban VI, a group of cardinals started a rival papacy with the election of Antipope Clement VII, throwing the Roman Catholic Church into turmoil. | refimprove section, unreferenced section |
| 1596 – An expedition of twelve families led by Diego de Montemayor founded Monterrey in New Spain. | Tagged for cleanup, expansion |
| 1697 – The Treaty of Ryswick was signed between France and the Grand Alliance, ending the Nine Years' War. | refimprove |
| 1848 – The American Association for the Advancement of Science, publisher of the journal Science, was founded. | refimprove section, external links |
| 1854 – The Crimean War began with a Franco-British victory over Russian forces at the Battle of Alma near the River Alma in Crimea. | refimprove |
| 1870 – The Bersaglieri entered Rome through the Porta Pia, ending the temporal power of the Pope and completing the unification of Italy. | refimprove section |
| 1946 – The first Cannes Film Festival was held in Cannes, France, after a seven-year delay due to World War II. | refimprove section |
| 1979 – Jean-Bédel Bokassa, ruler of the Central African Republic, was ousted in a coup d'état backed by the French government. | refimprove section, unreferenced section |
| 2001 – During a televised address to a joint session of the United States Congress, U.S. President George W. Bush declared a "war on terror" against Al-Qaeda and other global terrorist groups. | unreferenced section |
Eligible
- 1066 – King Harald III of Norway and Tostig Godwinson, his English ally, fought and defeated the Northern Earls Edwin and Morcar in the Battle of Fulford near York, England.
- 1260 – The second of two major Prussian uprisings by the Prussian tribe of Balts began against the Teutonic Knights.
- 1906 – The ocean liner RMS Mauretania, the largest and fastest ship in the world at the time, was launched.
- 1943 – World War II: Australian troops defeated Imperial Japanese forces at the Battle of Kaiapit in New Guinea.
- 1944 – Second World War: Allied forces captured' San Marino from the German Army.
- 1971 – Hurricane Irene moved west from Nicaragua, and crossed from the Atlantic Ocean into the Pacific, the first actively tracked tropical cyclone to do so.
- 1973 – Billie Jean King defeated Bobby Riggs in straight sets before 30,492 spectators at the Astrodome in Houston, Texas, in an internationally televised tennis match dubbed the "Battle of the Sexes".
- 1984 – The Cosby Show, which became one of three U.S. television shows to have the highest ratings five years in a row, aired its pilot episode.
- 2008 – An explosive-laden truck detonated in front of the Marriott hotel in Islamabad, Pakistan, killing 54 people and injuring 266 others.
- 1498 – A tsunami caused by the Nankai earthquake washed away the building housing the statue of the Great Buddha (pictured) at Kōtoku-in in Kamakura, Japan.
- 1792 – The French Army achieved its first major victory in the War of the First Coalition at the Battle of Valmy.
- 1967 – Scientology founder L. Ron Hubbard publicly announced the story of Xenu in a taped lecture sent to all Scientologists.
- 1977 – A series of celestial phenomena of unknown nature was observed in the western Soviet Union, Finland and Denmark.
- 2011 – The United States ended its "don't ask, don't tell" policy, allowing gays and lesbians to openly serve in the military.
Veit Stoss (d. 1533) · Herbert Putnam (b. 1861) · Edith Rogers (b. 1894)