📅 Today in HistoryMarch 19

The Byzantine-Venetian treaty of 1277 is concluded, stipulating a two-year truce and renewing Venetian commercial privileges in the Byzantine Empire.

A Mongol victory at the Battle of Yamen ends the Song dynasty in China.

The Statute of Rhuddlan incorporates the Principality of Wales into England.

Frederick III of Habsburg is the last Holy Roman Emperor crowned by medieval tradition in Rome by Pope Nicholas V.

The Edict of Amboise is signed, ending the first phase of the French Wars of Religion and granting certain freedoms to the Huguenots.

The House of Commons of England passes an act abolishing the House of Lords, declaring it "useless and dangerous to the people of England".

Explorer Robert Cavelier de La Salle, searching for the mouth of the Mississippi River, is murdered by his own men.

Charles IV, king of Spain, abdicates after riots and a popular revolt at the winter palace Aranjuez. His son, Ferdinand VII, takes the throne.

The Cortes of Cádiz promulgates the Spanish Constitution of 1812.

American explorer Benjamin Morrell departed Antarctica after a voyage later plagued by claims of fraud.