In March and April 1966 , Irish republicans held parades throughout Ireland to mark the 50th anniversary of the Easter Rising .
The Northern Ireland Civil Rights Association sought to end discrimination against Catholics by the unionist government of Northern Ireland .
In March and April 1966 , Irish republicans held parades throughout Northern Ireland to mark the 50th anniversary of the Easter Rising .
The Northern Ireland Civil Rights Association sought to end discrimination against Catholics by the unionist government of Northern Ireland .