The 20th Dáil was elected at the 1973 general election on 28 February 1973 and met on 14 March 1973. The members of Dáil Éireann, the house of representatives of the Oireachtas (legislature) of Ireland, are known as TDs. On 25 May 1977, President Patrick Hillery dissolved the Dáil on the request of Taoiseach Liam Cosgrave. The 20th Dáil lasted 1,534 days.