Twelve boats, dating from 2,500 BC to the 11th century AD, along with other Viking artifacts have been discovered in Lough Corrib in Connemara, County Galway. Archaeologists have used radiocarbon dating to establish that one of the boats dates from 2,500 BC. Other items that were found include several battle axes and other weapons... The 4,500-year-old log boat settled into the mud when it sank and was covered over time. A mixture of organic sediment and lake water assisted in the preservation process. Even the seats in the boats are preserved... The oldest of the vessels is the Annaghkeen log...