Anglesey Sqn Search and Rescue Helicopters, both units providing employment for about 500 civilians. RAF Valley is now the headquarters of 22 Sqn Search and Rescue. There is a wide range of smaller industries, mostly located in industrial and business parks, especially at Llangefni and Gaerwen. These include an abattoir and fine chemical manufacturing, as well as factories for timber production, aluminium smelting, fish farming and food processing. The island is also on one of the major routes from Britain to Ireland, via ferries from Holyhead, off the west of Anglesey on Holy Island, serving Dún Laoghaire and Dublin Port. Much
Battle of Anglesey Sound Normans. The Normans retreated from Anglesey to England following the defeat. Although the Welsh considered the Norwegians their liberators following the Norwegian victory against the Normans, Magnus regarded Anglesey as part of the Kingdom of the Isles and took the island as a Norwegian possession. Since the Norwegians never settled on the island, Anglesey reverted to Welsh control when Gruffudd ap Cynan returned from Ireland in 1099. The Norwegian control was at best nominal thereafter, but as Gruffudd awarded Magnus with great rewards and honour, and during Magnus' second expedition in 1102 allowed him to cut as much timber as