February 6, 891: Photius, patriarch of Constantinople from 858-867, dies after a series of excommunications and restorations. His 867 encyclical, which denounced the presence of Latin missionaries in Bulgaria as an intrusion and objected to the filioque clause in the creed ("the Holy Ghost . . . who proceeds from the Father and the Son"), was significant in the East-West conflict that eventually led to the "Great Schism" (see issue 54: Eastery Orthodoxy).
February 6, 1564: Carried to church in a ...