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 suppressed the Rising. Pearse agreed to an unconditional surrender on Saturday 29 April, although sporadic fighting continued until Sunday, when word reached the other rebel positions. After the surrender the country remained under martial law. About 3,500 people were taken prisoner by the British, many of whom had played no part in the Rising, and 1,800 of them were sent to internment camps or prisons in Britain. Most of the leaders of the Rising were executed following courts-martial. The Rising brought physical force republicanism back to the forefront of Irish politics, which for nearly 50 years had been dominated by