The October 21 is the 294th day of the Gregorian Calendar ( 295th in leap years), thus 71 days remain until the end of the year.
- 3.1 Before the 19th century
- 3.2 19th century
- 3.3 20th century
- 3.4 21st century
Politics and World Affairs
- 63 BC: The consul Marcus Tullius Cicero learns of the Catiline conspiracy under the leadership of Lucius Sergius Catilina. The Roman Senate declared the state of emergency with extended powers to the consuls.
- 1096: After the able-bodied members of the People's Crusade, have fallen into an ambush of the Seljuks in an attempt to attack the city of Nicaea, they flee in panic in their camp. There it comes through the pursuing Seljuk a massacre; only about 3,000 Crusaders can save lives in an abandoned castle.
- 1097: In the first Crusade, the siege of Antioch begins by the army of the Crusaders. It lasts until 2 June of the following year.
Science and Technology
- 2003: The Palomar Observatory made of shots of the Kuiper Belt, where in July 2005 by Michael E. Brown, Chad Trujillo and David Rabinowitz of dwarf planet Eris Lincoln is discovered.
- 0686: The priest Conon is elected to succeed John V. Pope.
- 1187: Alberto di Morra is selected in Ferrara Pope Gregory VIII.
- 1526: Johann Feige opened Homberger Synod. You should clarify the question of whether the Protestant faith is introduced into the country county of Hesse.
- 2012: Pope Benedict XVI. speaks during a solemn ceremony in St. Peter's Square in Rome, among others, the German Anna Schäffer, the German -born nun Marianne Cope and Kateri Tekakwitha North American sacred.
- 2005: Hurricane Wilma rages on Mexico's Yucatán Peninsula.
Minor accidents are listed in the sub- items of disaster.
- 2007: In the Formula 1 season, the Finn Kimi Raikkonen wins the last race at the Brazilian Grand Prix, becoming the Formula 1 world champion.
- 2012: The Canadian race driver Bruno Spengler ( BMW ) won the last race on the Hockenheimring DTM title.
Entries of Athletics world records are located under the respective discipline under Athletics.
Before the 19th century
Before the 19th century
- 2001: Ernst Anrich, German historian
- 2002: Manfred Ewald, German politician and sports official of the GDR
- 2002: Jesse Leonard Greenstein, American astronomer
- 2003: Elliott Smith, American Songwriter
- 2004: Flor de Roffé Estévez, Venezuelan music educator and composer
- 2005: Karin Adelmund, Dutch politician
- 2006: Arthur Peacocke, a British biochemist and theologian
- 2007: Ronald B. Kitaj, American painter, printmaker and draftsman
- 2007: Ileana Sonnabend, American gallerist
- 2008: Countess Sonja Bernadotte, German nobleman and entrepreneur
- 2009: Heinz Czechowski, German poet and dramatist
- 2010: Loki Schmidt, German botanist and conservationist
- 2011: Drikus Veer, Dutch motorcycle racer
- 2012: Yash Chopra, Indian film director
- 2012: George McGovern, American politician
Holidays and observances
- Religious observances St. Hilarion of Gaza, Roman hermit and monk (Catholic, Orthodox)
- Elias Schrenk, German revivalists ( Protestant)
- St. John of Bridlington, English clergyman ( Catholic)
- Name Days Ursula
More entries contains the list of commemorative and action days.
- Day in October