17th

Total results: 8

Bridge to the Isle of Skye opened.

John Dillon announces Plan of Campaign for Irish tenants against unfair rents.

The Irish Nationalist League is founded

James Paraffin Young obtained a patent for the extraction of paraffin from shale, starting the chemical industry in West Lothian.

William Smith O'Brien, Young Irelander, born in Dromoland, Co. Clare

In a duel at Mullingar, Arthur Rochfort, MP for Co. Westmeath, shoots Dillon Pollard Hampson in the stomach, he recovers

Battle of Nevilles Cross during which King David II was captured by the English.

Henry II, fearful that Strongbow will grow too powerful in Ireland, lands at Waterford with an army