📅 Today in HistoryMay 17

Battle of Rovine: The Wallachians defeat an invading Ottoman army.

Edward Stafford, 3rd Duke of Buckingham, is executed for treason.

Pánfilo de Narváez departs Spain to explore Florida with 600 men - by 1536 only four survive.

George Boleyn, 2nd Viscount Rochford and four other men are executed for treason.

Henry VIII and Anne Boleyn's marriage is annulled.

Anne of Denmark is crowned Queen of Scotland.

Paul de Chomedey, Sieur de Maisonneuve founds the Ville Marie de Montréal.

An allied French and Swedish army defeats Imperial and Bavarian forces in the Battle of Zusmarshausen.

Louis Jolliet and Jacques Marquette begin exploring the Mississippi River.

Seven Years' War formally begins when Great Britain declares war on France.