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Heads of State · Nekrolog

Battle of Sudoměř
The battle of Sudoměř during the Hussite Wars established the reputation of the invincibility of the Hussite leader Jan Žižka .
Catherine de Valois (1401-1437)
Catherine de Valois
marries King Henry V
of England .
1420 in other calendars
Armenian calendar 868/869 (turn of the year July)
Ethiopian calendar 1412/13
Aztec calendar 5th tubes - Macuilli Acatl (until the end of January / beginning of February: 4th rabbit - Nahui Tochtli )
Buddhist calendar 1963/64 (southern Buddhism); 1962/63 (alternative calculation according to Buddhas Parinirvana )
Chinese calendar 68th (69th) cycle

Year of the Metal Rat庚子 ( at the beginning of the Earth Pig year 己亥)

Chula Sakarat (Siam, Myanmar) / Dai calendar (Vietnam) 782/783 (turn of the year April)
Iranian calendar 798/799
Islamic calendar 822/823 (turn of the year 16/17 January)
Jewish calendar 5180/81 (September 8/9)
Coptic calendar 1136/37
Malayalam calendar 595/596
Seleucid era Babylon: 1730/31 (turn of the year April)

Syria: 1731/32 (turn of the year October)

Spanish era 1458
Vikram Sambat (Nepalese Calendar) 1476/77 (turn of the year April)


Politics and world events

Hussite Wars

Hussite flag with the lay chalice , one of the demands of the Prague Articles
Contemporary depiction of a Hussite wagon castle from the 15th century.
Jan Žižka leads the Hussites, Jena Codex around 1500

Further events in the empire

Perleberg Treaty

Hundred Years War

Wedding of Catherine de Valois to Henry V of England
  • May 21 : In the Treaty of Troyes , France's King Charles VI recognizes. in the event of his death, a claim to the throne of the English king Heinrich V , which he underpins by marrying Katharina von Valois , the daughter of Charles VI. Katharina's brother, the Dauphin Karl , is contractually excluded from the throne. He later forms a counter-government in Bourges .
  • June 2 : Heinrich V and Katharina von Valois, the daughter of the previous French King Charles VI, marry.


After the death of Qara Yusuf , the ruler of the Qara Qoyunlu , a dispute about the succession breaks out among his sons Ispend, Qara Iskander , Jahan Shah and Abu Sa'id. The Sa'dlu tribe, one of the most important sub-tribes of the Qara Qoyunlu, declares Ispend as their new leader. Abu Sa'id has to flee and Jahan Shah goes to Baghdad. Qara Iskander and Ispend fight and defeat together the Aq Qoyunlu invading the west under Qara Yoluq Osman Bey . The Timurid ruler Shāh Ruch uses the weakness of the Qara Qoyunlu to invade Azerbaijan .

science and technology

  • Giovanni da Fontana builds a vehicle whose rear wheels can be driven by hand by a cable drum mechanism.


Date of birth saved

Exact date of birth unknown

Tomás de Torquemada

Born around 1420


First half of the year

Second half of the year

Coat of arms of Robert Stewart, 1st Duke of Albany

Exact date of death unknown

Web links

Commons : 1420  - Collection of pictures, videos and audio files