A century of Boston’s cultural history in the course of a changing Kenmore Square has come to an end with the closing of one of the city’s most storied hotels due to Covid-19. In a post on its Facebook page, the Boston Hotel Buckminster on Beacon Street announced that it suspended all operations as of March 20 to protect the well-being of its guests and staff in response to guidelines from the Centers for Disease Control and state officials. Hotel Manager Trina Nolan said: “We will be cancelling all existing reservations moving forward. We do not have plans of reopening...