For nearly a millennium, the Bayeux Tapestry has told the story of a conquest that changed history. Now, the medieval masterpiece is making history itself, leaving France for the first time in centuries for a sold-out exhibition at London’s British Museum. ↧ ‘Once-in-a-millennium moment’: Medieval masterpiece Bayeux Tape... The 230-foot tapestry telling the story of William the Conqueror’s 1066 invasion reflects a “really seismic moment in British history,” the project’s curator told NBC News.