28 February 1155 – Birth of Henry the Young King, son of Henry II of England (d. 1183)
Read alal about him and his brothers in Sharon Kay Penman's The Devil's Brood, now also on Kindle. medieval-novels.com Over 1200 novels set in all parts of the world in the Dark and Middle Ages and the Renaissance. http://www.medieval-novels.com/
18 February 1478 – George, Duke of Clarence, convicted of treason against his older brother Edward IV of England, is executed in private at the Tower of London.
17 February 1500 – The Battle of Hemmingstedt. It was an attempt by Duke Friedrich and Duke Johann to subdue the peasantry of Dithmarschen, who had established a peasants' republic on the coast of the North Sea. Duke Johann was at the time also king of the Kalmar Union.