Painting of the Battle of Villalar - Source picture: Wikipedia
The battle was a clash between rebels and royalist supporters of
Charles V, Holy Roman Emperor. The Royal Supporters took the victory.
After the battle the three most important leaders of the rebels:
Juan de Padilla,
were taken captive and beheaded at the Plaza of Villalar.
Since 1986, April 23rd is an official holiday in the autonomous community
of Castile and León. It is even called the Castile and León Day!