May 16, 583 (traditional date): Brendan the Navigator, founder of a Celtic monastery in Clonfert, Ireland, dies. Some Irish scholars have asserted that Brendan was among the first Europeans to reach America, nine centuries before Columbus (see issue 60: How the Irish Were Saved).
May 16, 1805: Henry Martyn, a well-educated Englishman, arrives in India to aid William Carey with translation work (see issue 36: William Carey).
July 20, 1054: Patriarch of Constantinople Michael Cerularius, having been excommunicated from the Roman church four Days earlier, excommunicates Pope Leo IX and his followers. This precipitates the Great Schism (see issue 54: Eastern Orthodoxy).
July 20, 1910: The Christian Endeavor Society of Missouri begins a campaign to ban all motion pictures that depicted kissing between nonrelatives.