On May 21, history records 61 notable events, 191 famous births and 96 deaths, spanning the years 293 to 1674.
Events on this day include: Roman Emperors Diocletian and Maximian appoint Galerius as Caesar to Diocletian, beginning the period of four rulers known as the Tetrarchy. (293); Syracuse, Sicily, is captured by the Muslim Aghlabids after a nine-month siege. (878).
Notable people born on May 21 include Albrecht Dürer (1471), Al-Hattab (1497), Philip II of Spain (1527).
Notable figures who died on this day include Feng Dao (954), Louis V of France (987), Richeza of Poland, Queen of Hungary (1075).
Events on 21 May 61
See all →Roman Emperors Diocletian and Maximian appoint Galerius as Caesar to Diocletian, beginning the period of four rulers known as the Tetrarchy.
Pope John VIII gives blessings to Branimir of Croatia and to the Croatian people, considered to be international recognition of the Croatian state.
Dušan's Code, the constitution of the Serbian Empire, is enacted by Dušan the Mighty.
Henry III of Castile sends Ruy González de Clavijo as ambassador to Timur to discuss the possibility of an alliance between Timur and Castile against the Ottoman Empire.
Queen Mary I grants a royal charter to Derby School, as a grammar school for boys in Derby, England.
In the Concert of The Hague, the Dutch Republic, the Commonwealth of England and the Kingdom of France set out their views on how the Second Northern War should end.
The Battle of Long Sault concludes after five days in which French colonial militia, with their Huron and Algonquin allies, are defeated by the Iroquois Confederacy.
Public Holidays Around The World On This Day 2
Birthdays on 21 May 191
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Deaths on 21 May 96
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