On February 18, 1948, John A. Costello of Fine Gael was elected Taoiseach, leading the formation of Ireland's first interparty government. This marked a significant shift in Irish politics, ending Fianna Fáil's sixteen-year continuous rule. The coalition comprised Fine Gael, the Labour Party, Clann na Poblachta, Clann na Talmhan, and the National Labour Party, along with several independents. This government oversaw the declaration of the Republic of Ireland in 1949 and the country's withdrawal from the British Commonwealth. It demonstrated a new era of political cooperation and challenged the long-standing dominance of a single party in Irish governance.
