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
Milltown, Dublin formerly the seminary of the Marist Fathers. Milltown, Dublin Milltown () is a suburb on the southside of Dublin, Ireland. The townland got its name well before the 18th or 19th century. Both Milltown and Clonskeagh were "Liberties" of Dublin, following the English invasion and colonisation in 1290. Milltown was the site of several working mills on the River Dodder and is also the location of the meeting of the River Slang with the Dodder. A mill race was taken from just above the weir located 100m downstream from the 'Nine Arches' viaduct. It ran beside what is now the