The Battle of Brentford was a small pitched battle which took place on 12 November 1642
- a detachment of the Royalist army, (predominantly horse with one regiment of Welsh foot) under the command of Prince Rupert
- two infantry regiments of Parliamentarians with some horse in support.
The battle was a victory for the Royalists and they sacked the town of Brentford before withdrawing to consolidate their forces.
- Wikipedia for background.