What is 1966 United Kingdom general election?
{{Use dmy dates|date=May 2014}} {{Use British English|date=May 2014}} {{Infobox election | election_name = 1966 United Kingdom general election | country = United Kingdom | type = parliamentary | ongoing = no | previous_election = 1964 United Kingdom general election | previous_year = 1964 | outgoing_members = List of MPs elected in the United Kingdom general election, 1964 | next_election = 1970 United Kingdom general election | next_year = 1970 | elected_members = List of MPs elected in the United Kingdom general election, 1966 | seats_for_election = All [[List of United Kingdom Parliament constituencies (1955–1974)|630 seats]] in the [[House of Commons of the United Kingdom|House of Commons]] | majority_seats = 316 | elected_mps = List of MPs elected in the United Kingdom general election, 1966 | election_date = 31 March 1966 | turnout = 75.8%, {{decrease}}1.3% <!-- Labour -->| image1 = [[File:Harold Wilson (1967).jpg|x150px]] | leader1 = [[Harold Wilson]] | leader_since1 = [[1963 Labour Party leadership election (UK)|14 February 1963]] | party1 = Labour Party (UK) | leaders_seat1 = [[Huyton (UK Parliament constituency)|Huyton]] | last_election1 = 317 seats, 44.1% | seats1 = '''364''' | seat_change1 = {{increase}}47 | popular_vote1 = '''13,096,951''' | percentage1 = '''48.0%''' | swing1 = {{increase}}3.9% <!-- Conservative -->| image2 = [[File:Heathdod (cropped).JPG|x150px]] | leader2 = [[Edward Heath]] | leader_since2 = [[1965 Conservative Party leadership election|28 July 1965]] | party2 = Conservative Party (UK) | leaders_seat2 = [[Bexley (UK Parliament constituency)|Bexley]] | last_election2 = 304 seats, 43.4% | seats2 = 253 | seat_change2 = {{decrease}}51 | popular_vote2 = 11,418,433 | percentage2 = 41.9% | swing2 = {{decrease}}1.5% <!-- Liberal -->| image3 = [[File:Jo Grimond in 1963 (3x4 crop).jpg|x150px]] | leader3 = [[Jo Grimond]] | leader_since3 = 5 November 1956 | party3 = Liberal Party (UK) | leaders_seat3 = [[Orkney and Shetland (UK Parliament constituency)|Orkney&nb