This event marked the official coronation of King Casimir III the Great, the first King of Poland. The coronation was held on the 25th of March 1333 in Krakow, Poland. During the ceremony, King Casimir was crowned with a golden crown and presented with a
From Wikipedia
Casimir III the Great reigned as the King of Poland from 1333 to 1370. He also later became King of Ruthenia in 1340, retaining the title throughout the Galicia–Volhynia Wars. He was the last Polish king from the Piast dynasty.