June 20 is the 171st day of the Gregorian Calendar ( 172nd in leap years), thus 194 days remain until the end of the year. On 20 (or 21 ) June, the sun is at noon at the Tropic of Cancer in the zenith and no longer goes near the Arctic Circle at night under, this day is thus in the northern hemisphere the longest of the year, the summer solstice.
- 3.1 Before the 19th century
- 3.2 19th century
- 3.3 20th century
- 3.4 21st century
Politics and World Affairs
- 0840: Louis the German, after the death of his father, Louis the Pious, the first Roman- German emperors. He must enforce only in innerdynastischen struggles of the Carolingian this position, however.
- 1236: The Treaty of Kremmen recognizes Duke Wartislaw III. of Pomerania against the Margrave John I and Otto III. Brandenburg's suzerainty and occurs from areas in the Mark Brandenburg.
Science and Technology
Minor accidents are listed in the sub- items of disaster.
Entries of Athletics world records are located under the respective discipline under Athletics. Entries to the World Cup games are found in the bottoms of football 's World Cup. The same is true for the European Football Championships.
Before the 19th century
Before the 19th century
- 0840: Louis the Pious, king of the Frankish Empire
- 1119: Henry de Beaumont, 1st Earl of Warwick, Norman nobleman
- 1570: Friedrich Bern Beck, German mayor and designer of the Reformation in Kitzingen
- 1597: Willem Barents, a Dutch navigator and explorer
- 1605: Fedor II, Tsar of Russia
- 1634: Nicolas Ager, French botanist
- 1714: Maria Anna Mancini, Duchess of Bouillon
- 1730: Gabriel de Grupello, Belgian sculptor
- 1759: Adolph Moritz of Saxe- Zeitz, Bishop of Leitmeritz and canon in Cologne
- 1776: Benjamin Huntsman, English clockmaker and inventor
- 1780: Johann Gottlob Böhme, German historian
- 2002: Erwin Chargaff, American biochemist and writer
- 2002: Martinus Osendarp, Dutch track and field athlete and Olympian
- 2003: John fragrance, Swiss pin librarian in St. Gallen
- 2004: Hanns Cibulka, German writer and poet
- 2005: Larry Collins, American writer
- 2005: Charles David Keeling, American climatologist
- 2005: Jack Kilby, American engineer who developed the first integrated circuit
- 2006: Claydes Charles Smith, American guitarist ( Kool & The Gang )
- 2009: Godfrey Rampling, British track and field athlete and Olympic champion
- 2010: Helmut Strasbourg, German director, actor and theater director
- 2012: Elinor Isabel Jew Find Agnew, wife of Vice President of the United States Spiro Agnew
- 2013: Franz Xaver Eder, German bishop
Holidays and observances
- Religious observances Johann Georg Hamann, German theologian ( Protestant)
- St. Adalbert of Magdeburg, German historian, missionary and bishop ( Catholic)
- Name Days Adalbert
- State Holidays and observances Argentina: National Flag Day
- Anniversaries of international organizations World Refugee Day (UN ) (since 2001)
More entries contains the list of commemorative and action days.
- Day in June