USS Samuel B. Roberts strikes a mine in the Persian Gulf during Operation Earnest Will. U.S. retaliates against Iran on April 18 with Operation Praying Mantis, the world's largest naval battle since World War II.
The subject of an outsider who becomes obsessed.
Cardinal Robert of Geneva, called by some the Butcher of Cesena, is elected as Avignon Pope Clement VII, beginning the Papal schism.
