Saint Patrick’s Day, or the Feast of Saint Patrick, is a cultural and religious celebration held on 17 March, the traditional death date of Saint Patrick, the foremost patron saint of Ireland, commemorating the arrival of Christianity in Ireland.

Saint Patrick’s Day, or the Feast of Saint Patrick, is a cultural and religious celebration held on 17 March, the traditional death date of Saint Patrick, the foremost patron saint of Ireland, commemorating the arrival of Christianity in Ireland.