This is a non-partisan introduction to the events on the day, for those who want to know more about what happened. If you'd prefer to listen to this, then check out The Troubles Podcast, which is available anywhere you get podcasts or by clicking here.
Background
It was 1969 in Northern Ireland and violence between Nationalists and Unionists was escalating and the unionist government was losing control. To prevent this and to help assert the authority of the government, the British army was deployed into Northern Ireland. Initially, they were welcomed by some Catholics who perceived them to be a neutral force. At the time the local police force, known as the Royal Ulster Constabulary was considered to be biased against Catholics. It wouldn’t be long though before opinions would quickly change against the army.