May 28, 1503Papal Bull Signed by Pope Alexander VI Confirming the Marriage of King James IV and Margaret Tudor
May 28, 1590Hugh O'Neill, Earl of Tyrone, Agrees to Abandon Further Attempts at Extending His Territory in the North
May 28, 1722Birth of James Fitzgerald, 20th Earl of Kildare; Duke of Leinster; Politician and Lord Justice
May 28, 1798Father Murphy of Boolavogue, Leads Wexford Insurgents During the 1798 Rebellion to a Major Victory