Rock Against Racism Northern Carnival
The Rock Against Racism Northern Carnival was a free music concert and march held on 15 July 1978; the concert taking place in Alexandra Park, Manchester. Jointly organised by Rock Against Racism and the Anti-Nazi League, the concert was preceded by a march through Manchester, starting at Strangeways on Bury New Road, at 12 noon.
Source: Wikipedia — Rock Against Racism Northern Carnival (CC BY-SA 4.0)