21 October 1970 Bernadette Devlin was released from prison having served four months of her six month sentence for riotous behaviour.
Bernadette Devlin McAliskey, article from Wikipedia https://en.wikipedia.org/wiki/Bernadette_Devlin_McAliskey

SONG FOR BERNADETTE  - Invisible Guerrillas   https://www.youtube.com/watch?v=dGJ7RhFz4oA