Thomas Henry Armstrong (February 6, 1829 – December 29, 1891) was a Minnesota banker, lawyer, legislator, and the fifth Lieutenant Governor of Minnesota. He became Lieutenant Governor under Governor William Rainey Marshall from January 8, 1866, to January 7, 1870.
Thomas Henry Armstrong (February 6, 1829 – December 29, 1891) was a Minnesota banker, lawyer, legislator, and the fifth Lieutenant Governor of Minnesota. He served as the state's fifth Lieutenant Governor from January 8, 1866, to January 7, 1870, under Governor William Rainey Marshall.