May 4 » Religious reformers John Wycliffe and Jan Hus are condemned as heretics at the Council of Constance.
July 6 » Jan Hus is condemned by the assembly of the council in the cathedral as a heretic and sentenced to be burned at the stake. (See Deaths section.)
August 2 » Thomas Grey is executed for participating in the Southampton Plot.
August 21 » Henry the Navigator leads Portuguese forces to victory over the Marinids at the Battle of Ceuta.
October 25 » Hundred Years' War: Henry V of England, with his lightly armoured infantry and archers, defeats the heavily armoured French cavalry in the Battle of Agincourt.
March 17 » The Battle of Los Alporchones is fought in the context of the Spanish Reconquista between the Emirate of Granada and the combined forces of the Kingdom of Castile and Murcia resulting in a Christian victory.
When copying data from this family tree, please include a reference to the origin: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I2033.php : accessed January 19, 2026), "Jan van CULEMBORG (????-1452)".
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