When did the party Dan Keating was patron of take its present form?
Republican Sinn Féin: Republican Sinn Féin or RSF (Irish: "Sinn Féin Poblachtach" ) is an Irish republican political party in Ireland. Republican Sinn Féin:  RSF claims to be heirs of the Sinn Féin party founded in 1905 and took its present form in 1986 following a split in Sinn Féin.
i don't know