The proclamation of Irish Independence by Irish Republicans during the Easter Rising of 1916. The uprising was brutally crushed and several leaders were executed by British forces; however, the defeat served as a rallying cry for Irish independence, resulting in a protracted insurgency and eventual Irish independence in 1922.
A Gaelic Football or Hurling Match (Ireland). 'It depends on whether you’re in a football or hurling stronghold (some, like County Cork, are both) but attending a match of the county’s chosen sport is not just a unique Irish experience but also a key to unlocking local passions and understanding one of the cultural pillars of Ireland.' http://www.lonelyplanet.com/ireland
A uniquely Irish game, Hurling is one of the world’s oldest field sports and has been played in some form in Ireland for more than 800 years. It is often compared to hockey but other than the fact that both games involve a stick and a ball there is no similarity. The curved wooden stick with a flat end is known as a hurl or hurley, or in Irish a camán [say:come-awn], and is made from a single piece of wood, traditionally Ash.