April 18

Final performance at the Grassmarket, Edinburgh premises of the Traverse Theatre

April 18, 1992

Ireland declared a full republic and withdrawn from British Commonwealth.

April 18, 1949

Novelist Katherine Cecil Thurston, née Madden, is born in Cork

April 18, 1875

Remains of David Livingstone interred in Westminster Abbey.

April 18, 1874

Birth in Dublin of Robert Tressell, born Noonan, author of The Ragged Trousered Philanthropists

April 18, 1870

Michael Roberts, Irish mathematician is born in Cork

April 18, 1817

Robert Patterson, naturalist, is born in Belfast

April 18, 1802

Langrishes Catholic Relief Act allows Catholics to practice law, and Protestants and Catholics to intermarry

April 18, 1792

William Bunbury, MP for Co. Carlow, dies after being thrown from his horse

April 18, 1778

Daniel Murray, Archbishop of Dublin, is born in Arklow, Co. Wicklow

April 18, 1768

Five regiments of Irishmen sail for France and form the nucleus of Frances Irish Brigade

April 18, 1690

Siege of Derry begins

April 18, 1689

Sir Cahir O'Doherty of Inishowen revolts and sacks Derry

April 18, 1608