June 20

June 20, 1891

Birth of John Aloysius Costello, Ireland’s third Taoiseach

June 20, 1887

New Tay rail bridge opened, the longest in Britain.

June 20, 1867

Clan Na Gael, Irish revolutionary organization and the counterpart of the Irish Republican Brotherhood, is formed

June 20, 1849

James Clarence Mangan, poet, dies

June 20, 1810

Parliament passes Unlawful Acts Bill, extending powers against secret societies

June 20, 1798

In Wexford, the Rebels retreat to Vinegar Hill

June 20, 1764

Theobald Wolfe Tone born

June 20, 1763

Theobald Wolfe Tone, born

June 20, 1723

Adam Ferguson, philosopher, historian, Father of Sociology born Logierait, Perthshire.

June 20, 1715

The first session of the Irish parliament of George I commences on 12 November

June 20, 1210

King John lands at Waterford