Friso-Hollandic Wars: Frisians defeat Holland in the Battle of Warns.

The Battle of Staveren, also known as the Battle of Warns, was a battle of the Friso-Hollandic Wars between Count William IV of Holland and the Frisians which took place on 26 September 1345. The annual commemoration of the battle is important for many nationalist Frisians. The Frisians won the…