January 20, 1320
Unification of Poland by Władysław the Elbow-high
The unification of Poland by Władysław the Elbow-high was a turning point in Polish history. After nearly 200 years of feudal fragmentation, this prince managed to unite the fragmented Polish lands into one kingdom. The unification process culminated in the coronation of Władysław the Elbow-high as King of Poland on January 20, 1320, in Wawel Cathedral.