The Troubles: The Battle of the Bogside that saw Army deployed
Serious rioting that began on 12 August 1969 in Londonderry is viewed by many as the beginning of the Troubles in Northern Ireland.
This BBC archive footage shows how some of the city's residents sought safety across the border in County Donegal as the Army was deployed to restore order.
Read more: Explore in depth the events that led to tensions spilling over into violence, external