#5: The Enigma of Ivar the Boneless

Among the fiercest Viking conquerors, Ivar the Boneless carved his name into history with his legendary invasion of England in 865. His unusual title remains a mystery—some believe he suffered from a bone disorder, while others suggest it hinted at agility or even impotence.

But whatever the truth, his sharp mind and ruthless strategy made him a force to be reckoned with. Leading the Great Heathen Army, he masterminded one of the most successful Viking campaigns, proving that brute strength wasn’t the only path to victory.