Tourism in the Republic of Ireland on were built by them. As Dublin Airport is located just outside the city, most international visitors to Ireland begin their stay here. Among the main attractions in Dublin are Dublin Castle, the seat of British rule in Ireland until 1922, Phoenix Park, one of the largest inner city parks in the world, The General Post Office, one of Ireland's most famous buildings due to the 1916 Easter rising, Kilmainham Gaol, a former prison turned museum that held and executed the rebels of the 1916 Rising and Trinity College, where the Book of Kells and the Book of Durrow are
Easter Rising country's militant past, and particularly the Easter Rising. The coalition government of 1973–77, in particular the Minister for Posts and Telegraphs, Conor Cruise O'Brien, began to promote the view that the violence of 1916 was essentially no different from the violence then taking place in the streets of Belfast and Derry. O'Brien and others asserted that the Rising was doomed to military defeat from the outset, and that it failed to account for the determination of Ulster Unionists to remain in the United Kingdom. Irish republicans continue to venerate the Rising and its leaders with murals in republican areas of