History Trivia - Richard I of England marries Berengaria of Navarre.

May 12

 254 Pope Stephen I succeeded Pope Lucius I as the 23rd pope.  He was beheaded while celebrating Mass during Emperor Valerian's persecution of Christians.

1191 Richard I of England married Berengaria of Navarre.

1215 English barons served an ultimatum on King John.

1264 The Battle of Lewes, between King Henry III of England and the rebel Simon de Montfort, 6th Earl of Leicester, began.

1588 King Henry III fled Paris after Henry of Guise triumphantly entered the city.

 1641 Thomas Wentworth, chief advisor to Charles I, was beheaded in the Tower of London.