On May 21, 1917 in Celtic History
Dennis day, of irish parents, is born in new york, ny
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1920
James Plunkett, pseudonym of James Plunkett Kelly; novelist, is born in Dublin
May 21, 1920
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1916
Clocks and watches go forward one hour as the Daylight Saving Act (Summer Time) is introduced
May 21, 1916
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1745
Count Daniel O'Connell, a soldier in French and British services, is born in Derrynane, Co. Kerry
May 21, 1745
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1650
James Graham, (Montrose), Scottish royalist commander, executed by Cromwellian government
May 21, 1650
