Brighton Pavilion (UK Parliament constituency) Pavilion for the Greens at the 2017 general election. Brighton Pavilion (UK Parliament constituency) Brighton Pavilion is a constituency represented in the House of Commons of the UK Parliament since 2010 by Caroline Lucas of the Green Party; who on being elected, became the first MP for that party in the United Kingdom. 1950–1983: The County Borough of Brighton wards of Hollingbury, Montpelier, Patcham, Pavilion, Preston, Preston Park, Regency, St Nicholas, St Peter's, and West. 1983–1997: The Borough of Brighton wards of Hollingbury, Patcham, Preston, Regency, St Peter's, Seven Dials, Stanmer, and Westdene. 1997–2010: The Borough of Brighton wards of
Leader of the Labour Party (UK) the Deputy Leader of the Labour Party, and was elected on the same day. Corbyn's leadership was challenged in mid-2016, but he was re-elected in the subsequent leadership election. The post of Leader of the Labour Party was officially created in 1922. Before this, between when Labour MPs were first elected in 1906 and the general election in 1922, when substantial gains were made, the post was known as Chairman of the Parliamentary Labour Party. In 1970, the positions of Leader of the Labour Party and Chairman of the Parliamentary Labour Party were permanently separated. In 1921, J. R. Clynes