📅 Today in HistoryFebruary 20

The Milanese army and the St. George's (San Giorgio) Mercenaries of Lodrisio Visconti clash in the Battle of Parabiago; Visconti is defeated.

Orkney and Shetland are pawned by Norway to Scotland in lieu of a dowry for Margaret of Denmark.

Spanish conquistador Juan Ponce de León sets out from San Juan, Puerto Rico, for Florida with about 200 prospective colonists.

Edward VI of England is crowned King of England at Westminster Abbey.

Yohannan Sulaqa professes his Catholic belief and is ordained as bishop shortly after; this marks the beginning of the Chaldean Catholic Church.

René-Robert Cavelier establishes Fort St. Louis at Matagorda Bay thus forming the basis for France's claim to Texas.

The Postal Service Act, establishing the United States Post Office Department, is signed by United States President George Washington.

Louis-Alexandre Berthier removes Pope Pius VI from power.

Manuel Belgrano defeats the royalist army of Pío de Tristán during the Battle of Salta.

Rossini's opera The Barber of Seville premieres at the Teatro Argentina in Rome.