On the 12th of March-the start of the few intense days of violence which have become known as the Battle of the Bogside-Cooper tried to restrain Catholics protesting a traditional Apprentice Boys of Derry by linking arms with John Hume and Eddie McAteer.
On the 12th of March-the start of the few intense days of violence which have become known as the Battle of the Bogside-Catholics protesting the anti-Catholic Apprentice Boys of Derry parade in the city. Cooper saw violence emerging, and attempted to restrain the crowd by linking arms with John Hume and Eddie McAteer.