"Office Created" . . "Labour" . . . . . . . . . . . . . . . . . . "The S.D.P" . "Social Democrats" . . "Social Democratic Party (UK)" . . . . . . . . "President of the Social Democratic Party" . . "Jenkins Frontbench team" . "Collective" . . . . . "original SDP" . . . . "Social Democratic Party (SDP)" . . . . . . . . "1981-03-26" . . . . "Social Democratic Party (UK)" . "(SDP)" . "Social Democratic Party (UK)" . . . "UK Social Democratic Party" . . . . "breakaway Social Democratic Party (SDP)" . . . "1981" . . . "Social Democrat Party" . . . . . . . . . . . . . "1988-03-03" . . "Party established" . . . . . . . . . "Leader of the Social Democratic Party" . . . . . . . . "Social Democratic Party (1981\u201388)" . . "the party as a whole" . . . "Social Democratic Party" . . . . . "Social_Democratic_Party_(UK)" . . . . . "Social Democrat" . . . "1988" . . . . . . . . "President" . . . . "SDP" . . . . "Red and blue" . "Gang of Four" . "\\\"Gang of Four\\\"" . . . "Social Democratic" . . . . . "Social Democratic Party (UK)#Leaders of the SDP" . "Social Democratic Party (1981)" . . . . .