The use of "anno domini" and "before Christ" to mark time began in the early days of Christianity, and they're still used to track calendar years today.
Oct. 20: Rockabilly singer Wanda Jackson is 87. Actor-turned-nun Dolores Hart (“Where the Boys Are,” “King Creole”) is 86. Actor William Russ (“Boy Meets World,” “Wiseguy”) is 74.