On July 13 , 1867 , President Andrew Johnson nominated Slemmer for appointment to the grade of brevet brigadier general in the Regular Army , to rank from March 13 , 1865 .
The United States Senate confirmed the appointment on July 19 , 1867 .
On July 13 , 1867 , President Andrew Johnson nominated Slemmer for appointment to the grade of brevet brigadier general in the Regular Army , to rank from March 13 , 1865 , and the United States Senate confirmed the appointment on July 19 , 1867 .