El asedio vikingo de Algeciras Historical milestone · Algeciras, Campo de Gibraltar, Cádiz Image of Algeciras, not of the place itself. In the year 859, a Viking expedition led by the chieftains Hasting and Björn Ragnarsson besieged Algeciras for three days, one of the documented episodes of Norman raids on the Andalusian coast. año 859 Photo: S.S.2016 (CC BY-SA 4.0) What to see and do in Algeciras