Pillar of Cloud, Pillar of Fire

Pillar of Cloud, Pillar of Fire is an alternate history short story published in Isaac Asimov's Science Fiction Magazine in the mid-December, 1989 issue. It was reprinted in the Harry Turtledove collection Departures in 1993 and in the revised 1994 edition of Agent of Byzantium. Although set in the same timeline as the short story Departures it takes place some 700 year later.