Mar 28 Paris is sacked by Viking raiders, probably under Ragnar Lodbrok, who collects a huge ransom in exchange for leaving in the year 0845.
Nov 22 845 : the first King of all Brittany, Nominoe defeats the Frankish king Charles the Bald at the Battle of Ballon near Redon in the year 0845.
Important Dates And Events In History - Hisdates.Com