On February 24 , 1866 , President Johnson nominated Doolittle for appointment to the brevet grade of major general of volunteers , to rank from March 13 , 1865 .
The U.S. Senate confirmed the appointment on May 4 , 1866 .
On February 24 , 1866 , President Johnson nominated Doolittle for appointment to the brevet grade of major general of volunteers , to rank from March 13 , 1865 , and the U.S. Senate confirmed the appointment on May 4 , 1866 .