Sylvanus Thayer, Father of West Point-- Part 4: Ranks

From Cullom's register of USMA.

Ranks held by Sylvanus Thayer

2nd Lt.  Corps of Engineers  Feb. 23, 1808  Upon graduation from USMA
1st Lt., Corps of Engineers--  July 1, 1812

Captain--  Staff Department Commissary of Ordnance--  Sept. 22, 1812
Capt., Corps of Engineers--  Oct. 13, 1813

Brevet Major--  Feb. 20, 1815 for Distinctive and meritorious service
Brevet Lt.-Col.--  March 3, 1823

Major, Corps of Engineers--  May 24, 1824
Brevet Col.--  March 3, 1833

Lt.-Col., Corps of Engineers--  July 7, 1838
Col., Corps of Engineers--  March 3, 1863

Brevet Brig. Gen.--  May 31, 1863
Retired from active service June 1, 1863

Served for more than 45 years.

Died September 7, 1872 at Braintree, Massachusetts.  Buried at West Point.

--Brock-Perry