Violence erupts after the Apprentice Boys of Derry march in Derry, Northern Ireland, resulting in a three-day communal riot known as the Battle of the Bogside.

The Apprentice Boys of Derry are a Protestant fraternal society founded in 1814 and based in the city of Derry, Northern Ireland. Outside Northern Ireland, there are branches in Scotland, England, the Republic of Ireland, Australia and Canada. In 2021, the society had over 10,000 members worldwide,…