Plaid Cymru is a centre-left, Welsh nationalist political party in Wales, committed to Welsh independence from the United Kingdom. It campaigns on a platform of social democracy and civic nationalism. The party is a supporter of the European Union and is a member of the European Free Alliance (EFA). The party holds 4 of 32 Welsh seats in the UK Parliament, 12 of 60 seats in the Senedd, and 202 of 1,231 principal local authority councillors. Plaid was formed in 1925 under the name Plaid Genedlaethol Cymru and Gwynfor Evans won the first Westminster seat for the party at the 1966 Carmarthen by-election.