April 18, 1025
Coronation of Bolesław the Brave
The coronation of Bolesław the Brave as the first King of Poland, which took place on April 18, 1025, at the Gniezno Cathedral, was a pivotal moment in Polish history. This event symbolically marked the birth of Polish statehood and significantly strengthened Poland's position in the international arena. The coronation was the culmination of Bolesław's years-long efforts to strengthen Poland's position and gain independence from the German Empire.