On April 3 , 1866 , President Andrew Johnson nominated Sprague for appointment to the grade of brevet major general , to rank from March 13 , 1865 .
The United States Senate confirmed the appointment on April 26 , 1866 .
On April 3 , 1866 , President Andrew Johnson nominated Sprague for appointment to the grade of brevet major general , to rank from March 13 , 1865 , and the United States Senate confirmed the appointment on April 26 , 1866 .