The war of the o' briens of thomond escalates as the norman irish become involved on both sides
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1927
The opening hours of Irish public houses are restricted by the Intoxicating Liquor Act
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1747
James Lind began a controlled experiment which demonstrated that citrus fruits could prevent scurvy
May 20, 1747
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0685
Battle of Nechtansmere, Northumbrian invasion of Scotland defeated by Pictish King Bruide
May 20, 685
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0685
Battle of Dunnichen, the Picts stopped the advance northwards of the Angles of Northumbria
May 20, 685
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