Signs and Wonders: Celestial Phenomena in 16th-Century Germany "The villagers of Strasbourg may have heard about a war in heaven while reading the Book of Revelation; in 1554, they witnessed one with their own eyes. As a broadsheet published in June of that year records, a bloody, fiery ray bisected the sun, followed by a clash between cavalry — each side bearing guidons. War raged for hours, and then, as suddenly as they appeared, the combatants trotted off into the clouds. "