stairnaheireann.net
#OTD in 988 – The Norse King Glúniairn recognises Máel Sechnaill mac Domnaill, High King of Ireland, and agrees to pay taxes and accept Brehon Law; the event is considered to be the founding of the city of Dublin.
The earliest reference to Dublin is sometimes said to be found in the writings of Claudius Ptolemaeus (Ptolemy), the Egyptian-Greek astronomer and cartographer, around the year 140, who refers to a…