February 22, 1906: Black itinerant evangelist William J. Seymour arrives in Los Angeles to lead a Holiness mission. The group grew larger as word spread of its revival meetings and speaking in tongues, and it eventually moved to a rundown building on Azusa Street. The church's revival is often cited as one of the birthplaces of Pentecostalism (see issue 58: Pentecostalism).
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.