The Great Viking Army , known by the Anglo-Saxons as the Great Heathen Army, was a coalition of Norse warriors, originating from Denmark Norway, Sweden, And also Estonia who came together under a unified command to invade the Anglo-Saxon kingdoms that constituted England in AD 865(816 in the series).The Great Army, having set sail from Kattegat, arrives on Northumbrian shores. Bishop Unwan and King Aelle set off to meet them immediately, King Aella is convinced his army will rapidly dispose of the Norsemen as he sees what looks like a few dozen warriors. However, thousands of Vikings emerge from behind the hills and regroup, forming a massive and astonishing invading force. Led by Bjorn and Ivar, the Vikings charge and quickly overrun the Northumbrian forces by sheer power (even though the