Dublin Castle Ireland (1800–1922). After the signing of the Anglo-Irish Treaty in December 1921, the complex was ceremonially handed over to the newly formed Provisional Government led by Michael Collins. It now hosts the inauguration of each President of Ireland, and various State receptions. The castle was built by the dark pool ("Dubh Linn") which gave Dublin its name. This pool lies on the lower course of the River Poddle before its confluence with the River Liffey; when the castle was built, the Liffey was much wider, and the castle was effectively defended by both rivers. The Poddle today runs under the
Sport in Ireland Championship begins. Each of the four provinces has its own tournament, and teams which are knocked out must do well in the 'qualifiers' if they are to gain a spot along with the four Provincial Champions in the All-Ireland quarter-finals. The All-Ireland Senior Football final is traditionally held on the third Sunday in September. Kerry are football's most successful team, with 37 All-Ireland senior titles. There are a number of rivalries within the game – an example is that between Dublin and Meath. Other notable derbies or rivalries include Cork v Kerry, Mayo v Galway and Kerry v Dublin. Hurling