December 21 is the 355th day of the Gregorian Calendar ( 356th in leap years), thus 10 days remain until the end of the year. At noon on 21 (or 22 ) December, the sun is at the Tropic of Capricorn in the zenith and does not go near the Arctic Circle during the day on. Thus, it is in the northern hemisphere, the shortest day of the year, the winter solstice.
- 3.1 Before the 19th century
- 3.2 19th century
- 3.3 20th century
- 3.4 21st century
Politics and World Affairs
- 0069: Vespasian moves into Rome and is recognized by the Senate as the new Roman Emperor, the last of the Four Emperors year.
- 1140: King Conrad III. conquered the castle vineyard after a long siege. The women wear their men out of the castle and save them as life. The women are known as loyal wives of the vineyard, the castle as Weibertreu.
- 1192: On the way back from the Third Crusade, Richard I the Lionheart is captured by the Austrian Duke Leopold V in Vienna.
- 1225: The one with his son Waldemar of Schleswig into the captivity of Count Henry I guessed from Schwerin Danish King Waldemar II is released after recognition of high demands. The heavy loads and territorial cessions let him immediately plan countermeasures that will lead in 1227 to the battle of Bornhöved.
- 1237: The city of Ryazan is almost completely destroyed after a successful siege by the Mongols under Batu Khan.
Science and Technology
- 2012: The Long Count of the Maya calendar, which runs BC since 11 August 3114, ends.
- 0401: Pope Innocent I, takes office as his father's successor Anastasius I.
- 1124: Pope Honorius II takes over the duties as head of the church
- 1911: In Moscow, the Church of the Immaculate Conception, to date, the largest Catholic church in the whole of Russia consecrated.
Minor accidents are listed in the sub- items of disaster.
- 2012: It was predicted that on this day the world should perish, because the Mayan calendar ended on that date.
Nature and Environment
Entries of Athletics world records are located under the respective discipline under Athletics.
Before the 19th century
Before the 19th century
- 0069: Gnaeus Caecilius Simplex, Roman politician
- 0882: Hincmar of Reims, prince of the Church of the Frankish Empire
- 1375: Giovanni Boccaccio, Italian writer
- 1549: Margaret of Angoulême, Queen of Navarre, poet and diplomat
- 1597: Petrus Canisius, German theologian and Doctor of the Church, against Reformer
- 1660: Johann Bellin, German linguist
- 1712: Johann Wenzel Wratislaw of Mitrowitz, Bohemian Chancellor
- 1718: Cai Burchard Count of Ahlefeldt, Lord of the nobles goods Bystorp, Good Eschelsmark, Ornum and Stubbe
- 1737: Alessandro Galilei, Italian architect
- 1777: Anton Cajetan Adlgasser, German composer
- 2002: Giò Pomodoro, Italian sculptor and architect
- 2003: Alfonso, Prince of Hohenlohe, German nobleman
- 2004: Lennart Bernadotte, a Swedish nobleman
- 2004: Roland Ploeger, German composer
- 2005: Martin Herbst, German Heart Surgeon
- 2005: William C. Rodgers, American booksellers and eco - activist
- 2006: Saparmurat Niyazov, Turkmen President
- 2006: Philippa Pearce, British children's author
- 2007: Hans Imhoff, German chocolate manufacturer
- 2008: Dale Wasserman, American writer
- 2010: Enzo Bearzot, Italian footballer and coach
- 2011: Gerd German man, German actor
- 2011: Jürgen Hentsch, German actor
- 2011: Werner Otto, German entrepreneurs
- 2012: Peter Wapnewski, German German literature
- 2013: Peter Geach, British philosopher and logician
Holidays and observances
- Religious observances St. Thomas, apostle and patron saint (Protestant, Anglican, Catholic Memorial has been postponed to July 3 )
- St. Peter Canisius, Dutch writer, theologian and Doctor of the Church (Catholic (not in Germany ) )
- Customs St. Thomas
- Iran: Yalda Night
More entries contains the list of commemorative and Action days.
- Day in December