September 15, 1648: The British Parliament approves the Larger and the Shorter Catechisms, now used by Presbyterian, Congregationalist, and Baptist congregations.
September 15, 1853: Antoinette Brown becomes the first female minister ordained in America.
September 15, 1963: In a racially motivated attack, the 16th Street Baptist Church in Birmingham, Alabama, was bombed, killing four girls. The sermon that day was "The Love That Forgives," based on Matthew 5:43-44.
