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.
February 2 » Wars of the Roses: The Battle of Mortimer's Cross is fought in Herefordshire, England.
March 4 » Wars of the Roses in England: Lancastrian King Henry VI is deposed by his House of York cousin, who then becomes King Edward IV.
March 29 » Battle of Towton: Edward of York defeats Queen Margaret to become King Edward IV of England, bringing a temporary stop to the Wars of the Roses.
June 28 » Edward, Earl of March, is crowned King Edward IV of England.
August 7 » The Ming dynasty Chinese military general Cao Qin stages a coup against the Tianshun Emperor.
August 15 » The Empire of Trebizond surrenders to the forces of Sultan Mehmed II. This is regarded by some historians as the real end of the Byzantine Empire. Emperor David is exiled and later murdered.
When copying data from this family tree, please include a reference to the origin: Peter John Oswald, "Pop Oswald Tree", database, Genealogy Online (https://www.genealogieonline.nl/pop-oswald-tree/P26147.php : accessed April 30, 2025), "John MOWBRAY (1415-1461)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.