In Irish mythology Sreng was a champion of the Fir Bolg or Men of Bolg. In the first Battle of Magh Tuiredh he faced Nuada, king of the Tuatha Dé Danann, and with one great blow he cut off half his shield and severed Nuada's arm at the shoulder. The mythology of pre-Christian Ireland did not entirely survive the conversion to Christianity, but much of it was preserved, shorn of its religious meanings, in medieval Irish literature, which represents the most extensive and best preserved of all the branches of Celtic mythology. ... In Irish mythology the Fir Bolg (Fir Bholg, Firbolg, men of Builg or men of bags, or possibly men with spears, bolg meaning spear - and let us not forget the modern Irish word bolg belly (originally bag)) were one of the races that inhabited the island of Ireland prior to... In Irish mythology, Magh Tuiredh (Mag Tuired, Magh Tuireadh, anglicised as Moytura) is the name of the locations of two battles said to have been waged by the Tuatha Dé Danann. ... In Irish mythology, Nuada, Nuadu (later Nuadha, Nuadhu, genitive Nuadat), known by the epithet Airgetlám (Silver Hand/Arm), was a king of the Tuatha Dé Danann. ... The Tuatha Dé Danann (peoples of the goddess Danu or erroneously tribe of Dan) were the fifth group of inhabitants of Ireland according to the Lebor Gabála Érenn (Book of Invasions) tradition. ...

Although nearing defeat, Sreng and the three hundred surviving Fir Bolg vowed to fight to the last man. The Tuatha Dé Danann invaders, however, considered them so noble that they offered them one fifth of Ireland. They agreed, and stood down from the conflict. The Fir Bolg chose Connacht, where men traced their descent from Sreng until the 17th century. Connaught redirects here. ... (16th century - 17th century - 18th century - more centuries) As a means of recording the passage of time, the 17th century was that century which lasted from 1601-1700. ...

Reference

• Squire, Charles. "Celtic Myth and Legend." Newcastle Publishing Co., USA, 1975. Reprinted from the first edition in 1905, Great Britain. ISBN 0-87877-029-1.