David Lloyd George, 1st Earl Lloyd-George of Dwyfor, OM KStJ PC (17 January 1863 – 26 March 1945) was Prime Minister of the United Kingdom from 1916 to 1922. He was a Liberal Party politician from Wales, known for leading the United Kingdom during the First World War, social reform policies including the National Insurance Act 1911, his role in the Paris Peace Conference, negotiating the establishment of the Irish Free State, disestablishment of the Church of England in Wales and support of Welsh devolution in his early career. He was the last Liberal Party prime minister; the party fell into third party status shortly after the end of his premiership.