Sweden's Volvo made the three-point seatbelt design patent open and available to other car manufacturers for free, in the interest of safety. It saves one life every 6 minutes.
For the confused: this is a reference to the time around the year 1066 when the English king died with no heir and there were three main factions fighting for control of the throne. The English claimant defeated the Norwegians but quickly lost to the Norman-French.
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