483 Felix III became pope. He
repudiated the Henoticon, a deed of union originating with Patriarch Acacius of
Constantinople and published by Emperor Zeno with the view of allaying the
strife between the Miaphysite Christians and Chalcedonian Christians. This renunciation initiated the Acacian
schism between the Eastern and Western Christian Churches that lasted
607 12th recorded
perihelion passage of Halley's Comet.
1781 British astronomer Frederick William Herschel discovered the planet