 The Battle of Deptford Bridge (also known as Battle of Blackheath) took place on 17 June 1497 on a site in present-day Deptford in south-east London, on the River Ravensbourne, and was the culminating event of the Cornish Rebellion.After leaving the West Country and approaching London, the insurgency had failed to attract enough new support or to move quickly enough to catch the king unprepared.The insurgents were now on the defensive.