 On February 21, 1866, President Andrew Johnson nominated Daggett for appointment to the grade of brevet brigadier general of volunteers, to rank from March 13, 1865, and the United States Senate confirmed the appointment on April 10, 1866.Daggett believed in the abolition of slavery and fought alongside African-American soldiers during the Civil War while serving with the 5th Maine Infantry Regiment.He was also a strong supporter of the temperance movement and gave public lectures on the topic.