On Epiphany in January 1676, Tsar Alexis, at forty-seven, healthy and active, took part in the annual ceremony of the blessing of the waters of the Moscow River. Standing in the frozen winter air during the long ceremony, he caught a chill. A few days later, in the middle of the performance of a play, the Tsar left the Kremlin theater and went to bed. At first, the illness did not seem
