The term Ante Diaspora was used in the Post Diaspora era to describe the time before the Diaspora of Man. The Diaspora began in the year 2103 CE, when the first human colony ship, Prometheus, left Earth. Thus, the year 2102 CE would be 1 Ante Diaspora and going backward just like Before Christ (BC) compared to Anno Domini (AD) in the Gregorian calendar. (UHH)