August 18, 1688: John Bunyan, author of Pilgrim's Progress preaches his last sermon, in London (see issue 11: John Bunyan).
August 18, 1732: In an emotional farewell service, Moravian Christians at Herrnhut sing 100 hymns and commission Leonard Dober and David Nitschmann as missionaries to slaves in the West Indies. Herrnhut, a community of only 600 members sent more than 70 missionaries between 1732 and 1742 (see issue 1: Nicolaus Zinzendorf).
October 28, 312: According to tradition, on this date the 32-year-old Roman emperor Constantine defeated Maxentius at Milvian Bridge. Before the battle, Constantine had seen the symbol of Jesus, chi-rho, in a vision, accompanied with the words "By this sign conquer." He is considered Rome's first Christian emperor (see issue 57: Converting the Empire).
October 28, 1646: At Nonantum, Massachusetts, missionary John Eliot preaches the first worship service for Native Americans in their native language. ...