Original: The name "Victoria line" dates back to 1955; other suggestions were  "Walvic line" (Walthamstow - Victoria) and  "Viking line" (Victoria - King's Cross).
Simplified: The name "Victoria line" dates back to 1955. The other suggestions were "Walvic line" (Walthamstow Central station–Victoria station) and "Viking line" (Victoria station–King's Cross station).