Of which country was de Valera the prime minister, and later the president?
Éamon de Valera then the Parliament of Northern Ireland had already met. It became clear that neither a republic, nor independence for all 32 counties, was going to be offered; Lloyd George told de Valera he could "put a soldier in Ireland for every man, woman and child in it" if the IRA did not immediately agree to stop fighting. In August 1921, de Valera secured Dáil Éireann approval to change the 1919 Dáil Constitution to upgrade his office from prime minister or chairman of the cabinet to a full President of the Republic. Declaring himself now the Irish equivalent of King George
Éamon de Valera Prime Minister of His Majesty's Government in the Irish Free State, wrote in July 1936 to King Edward VIII in London indicating that he planned to introduce a new constitution, the central part of which was to be the creation of an office de Valera provisionally intended to call "President of Saorstát Éireann" (Uachtarán Shaorstát Éireann), which would replace the governorship-general. De Valera used the sudden abdication of Edward VIII as King to pass two bills: one amended the constitution to remove all mention of the monarch and Governor-General, while the second brought the monarch back, this time through statute