Saint Patrick’s Cathedral has been part of Ireland’s history for over 800 years and today is one of the most popular visitor attractions in Dublin. Built between 1220 and 1260 in honour of Ireland’s patron saint. Saint Patrick’s Cathedral offers visitors a rich and compelling cultural experience and is one of the few buildings left from medieval Dublin. Marsh’s library, situated in St. Patrick’s Close, adjacent to St. Patrick’s Cathedral, is a well-preserved library of the late Renaissance and early Enlightenment. When it opened to the public in 1707 it was the first public library in Ireland. Sign-up and pay at school reception. Meeting outside Horner School at 14:00.