[1]Quarterman Dates: April 15. In 1813: Mobile to U.S., In 1774: William Bartram at Midway & Sunbury, Source: Bartram . [2]Tomorrow: April 16. In 1865: Andrew Johnson, Source: ToW . References 1. http://www.quarterman.org/q/timeline.html 2. http://www.quarterman.org/q/timeline.html