Changes & Development in Georgia after American Revolution By sydmudd Jan 1, 1733 Savannah becomes the first capital Apr 19, 1775 American Revolution begins Jan 27, 1785 University of GA is created by Abraham Baldwin Jan 1, 1786 Augusta became the 2nd capital Jan 1, 1788 Slaves established first independent church in Savannah Mar 14, 1793 Cotton gin invented by Eli Whitney Jan 1, 1796 Louisville became the 3rd capital Jan 1, 1807 Milledgeville became the 4th capital Jan 1, 1834 Railroad construction began Jan 1, 1843 The city of Terminus' name changed to Marthasville Jan 1, 1845 The city of Marthasville changed its name to Atlanta Jan 1, 1860 More than 1,200 miles of rails in GA Apr 20, 1868 Atlanta became the 5th and most recent capital