Browse Famous Historical Events

The Grand Duke of Lithuania, Jogaila (Jagiełło), signs the Union of Krewo on August 14, 1385, agreeing to convert to Roman Catholicism, baptize his subjects, and marry Queen Jadwiga of Poland. Jogaila was baptized as Władysław II Jagiełło and crowned King of Poland in February 1386, creating the powerful Jagiellonian dynasty and initiating the Christianization of Lithuania.