January 17, 1786 (, Otomi In the twelfth lunar month XVIII), the famous German astronomer Encke, discovered the comet. 1

1786 17, the famous German astronomer Encke, discovered a comet, observation prophecy will return to perihelion in 1822, after the comet named Comet Encke. Comet Encke comet after following Halley's Comet, the second hard re-emergence of the projected time. (History. Com)