William T. Cosgrave

William T. Cosgrave was a member of the Irish delegation that negotiated the Anglo-Irish Treaty with the British government. The treaty established the Irish Free State as a dominion within the British Empire, leading to the partition of Ireland.

William T. Cosgrave became the first President of the Executive Council of the Irish Free State, leading the government after the Anglo-Irish Treaty. He oversaw the establishment of the new state, including the creation of institutions and the suppression of anti-Treaty forces during the Civil War.

As head of the Free State government, Cosgrave authorized the execution of 77 anti-Treaty prisoners, including Rory O'Connor and Liam Mellows. These executions were intended to end the Irish Civil War but caused lasting bitterness and division in Irish politics.

William T. Cosgrave founded Cumann na nGaedheal, the political party that supported the Anglo-Irish Treaty. The party governed the Irish Free State until 1932, focusing on law and order, economic stability, and building state institutions.

William T. Cosgrave's Cumann na nGaedheal government was defeated by Fianna F