History of the Labour Party (UK) 1983 election, Labour suffered a landslide defeat, winning only 27.6% of the vote and securing just 209 seats. This was their worst performance at a general election since 1918. Labour won only half a million votes more than the SDP-Liberal Alliance, which had attracted the votes of many moderate Labour supporters, although the Alliance only won 23 seats. Michael Foot criticised the Alliance for "siphoning" Labour support and allowing the Tories to win more seats. Michael Foot resigned and was replaced as leader by Neil Kinnock who was elected on 2 October 1983 and progressively moved the party towards the
Labour Party (UK) widen the voting franchise to elect the leader and their deputy. By 1982, the National Executive Committee had concluded that the entryist Militant tendency group were in contravention of the party's constitution. The "Militant" newspaper's five member editorial board were expelled on 22 February 1983. The Labour Party was defeated heavily in the 1983 general election, winning only 27.6% of the vote, its lowest share since 1918, and receiving only half a million votes more than the SDP-Liberal Alliance who leader Michael Foot condemned for "siphoning" Labour support and enabling the Conservatives to greatly increase their majority of parliamentary seats.