High Quality Content by WIKIPEDIA articles! The Battle of Boroughbridge was a battle fought on 16 March 1322 between a group of rebellious barons and King Edward II of England, near Boroughbridge, northwest of York. The culmination of a long period of antagonism between the king and Thomas, Earl of Lancaster, his most powerful subject, it resulted in Lancaster`s defeat and execution. This allowed Edward to re-establish royal authority, and hold on to power for another five years.