County Dublin: History
The earliest recorded inhabitants of present-day Dublin settled along the mouth of the River Liffey. The remains of five wooden fish traps were discovered near Spencer Dock in 2007. These traps were designed to catch incoming fish at high tide and could be retrieved at low tide. Thin-bladed stone axes were used to craft the traps and radiocarbon dating places them in the Late Mesolithic period (c. 6,100–5,700 BCE).
The Vikings invaded the region in the mid-9th century AD and founded what would become the city of Dublin. Over time they mixed with the natives of the area, becoming Norse–Gaels. The Vikings raided across Ireland, Britain, France and Spain during this period and under their rule Dublin developed into the largest slave market in Western Europe. While the Vikings were formidable at sea, the superiority of Irish land forces soon became apparent, and the kingdom's Norse rulers were first exiled from the region as early as 902. Dublin was captured by the High King of Ireland, Máel Sechnaill II, in 980, who freed the kingdom's Gaelic slaves. Dublin was again defeated by Máel Sechnaill in 988 and forced to accept Brehon law and pay taxes to the High King. Successive defeats at the hands of Brian Boru in 999 and, most famously, at the Battle of Clontarf in 1014, relegated Dublin to the status of lesser kingdom.
In 1170, the ousted king of Leinster, Diarmait Mac Murchada, and his Norman allies agreed to capture Dublin at a war council in Waterford. They evaded the intercepting army of High King Ruaidrí Ua Conchobair by marching through the Wicklow Mountains, arriving outside the walls of Dublin in late September. The king of Dublin, Ascall mac Ragnaill, met with Mac Murchada for negotiations; however, while talks were ongoing, the Normans, led by de Cogan and FitzGerald, stormed Dublin and overwhelmed its defenders, forcing mac Ragnaill to flee to the Northern Isles. Separate attempts to retake Dublin were launched by both Ua Conchobair and mac Ragnaill in 1171, both of which were unsuccessful.
The authority over Ireland established by the Anglo-Norman king Henry II was gradually lost during the Gaelic resurgence from the 13th century onwards. English power diminished so significantly that by the early 16th century English laws and customs were restricted to a small area around Dublin known as "The Pale". The Earl of Kildare's failed rebellion in 1535 reignited Tudor interest in Ireland, and Henry VIII proclaimed the Kingdom of Ireland in 1542, with Dublin as its capital. Over the next 60 years the Tudor conquest spread to every corner of the island, which was fully subdued by 1603. …