Smallpox one-third of the cases resulted in blindness. These deaths included those of four reigning monarchs and a queen consort. In the 20th century smallpox killed 200-300 million people. Edward Jenner discovered in 1798 that vaccination could prevent smallpox. In 1967, the WHO intensified efforts to eliminate the disease. Smallpox is one of two infectious diseases to have been eradicated, the other being rinderpest in 2011. The term "smallpox" was first used in Britain in the 15th century to distinguish the disease from syphilis, which was then known as the "great pox". Other historical names for the disease include pox, speckled
Early clashes in the Rhine campaign of 1796 Early clashes in the Rhine campaign of 1796 In the Rhine Campaign of 1796 (June 1796 to February 1797), two First Coalition armies under the overall command of Archduke Charles outmaneuvered and defeated two Republican French armies. This was the last campaign of the War of the First Coalition, part of the French Revolutionary Wars. The French military strategy against Austria rested on a three-pronged invasion to surround Vienna, ideally capturing the city and forcing the Holy Roman Emperor into a surrender and acceptance of French Revolutionary ideals. Toward this end, the French assembled three armies: "Army of Sambre-et-Meuse" commanded