1843 Construction of the Observatory begun. 1844 Bill clarifying the corporate status of Georgetown passed by congress. 1849 Planning begins for the Georgetown Medical School. 1851 Teaching begins in the Medical School. The College is on the hill on the left 1861 January.
Students begin to leave the college in anticipation of war.
By May, only a handful remain. Much of the college occupied by Union forces. 1866 Informal intercollegiate baseball competition begins. First alumni reunion. Georgetown Law School established.