. . . . . "D\u00FAn Aonghasa"@en . . . . "A popular tourist attraction, D\u00FAn Aonghasa is an important archaeological site that also offers a spectacular view. It is not known when D\u00FAn Aonghasa was built, though it is now thought to date from the Iron Age. T. F. O'Rahilly surmised that it was built in the 2nd century BCE by the Builg following the Laginian conquest of Connacht. Today we know that the first construction goes back to 1100 BCE, when the first enclosure was erected by piling rubble against large upright stones. Around 500 BCE, the triple wall defences were probably built along the western side of fort."@en . "A popular tourist attraction, D\u00FAn Aonghasa is an important archaeological site that also offers a spectacular view. It is not known when D\u00FAn Aonghasa was built, though it is now thought to date from the Iron Age. T. F. O'Rahilly surmised that it was built in the 2nd century BCE by the Builg following the Laginian conquest of Connacht. Today we know that the first construction goes back to 1100 BCE, when the first enclosure was erected by piling rubble against large upright stones. Around 500 BCE, the triple wall defences were probably built along the western side of fort. D\u00FAn Aonghasa has been called \"the most magnificent barbaric monument in Europe.\" Its name, meaning \"Fort of Aonghas\", refers to the pre-Christian god of the same name described in Irish mythology, or the mythical king, Aonghus mac \u00DAmh\u00F3r."@en . . . .