On January 13 , 1866 , President Andrew Johnson nominated Graham for appointment to the grade of brevet major general of volunteers , to rank from March 13 , 1865 .
The United States Senate confirmed the appointment on March 12 , 1866 .
On January 13 , 1866 , President Andrew Johnson nominated Graham for appointment to the grade of brevet major general of volunteers , to rank from March 13 , 1865 , and the United States Senate confirmed the appointment on March 12 , 1866 .