We all know about the Battle of Marston Moor. Don't we?
Eventually another Royalist army commanded by Prince Rupert attempted to come to the rescue. On hearing that Rupert was on his way, the allies abandoned the siege and, on the 2nd of July, gathered at Marston Moor to the west of York.
The Royalist defeat at Marston Moor meant that they had effectively lost control of the North of England. The battle also boosted the reputation of the Parliamentarian cavalry commander, Oliver Cromwell.