Class of 1820

William Chetwood de Hart: Born 1800.​a

Military History. — Cadet at the Military Academy, Sep. 30, 1814, to July 1, 1820, when he was graduated and promoted in the Army to

Third Lieut., Ordnance, July 1, 1820.

Second Lieut., 2d Artillery,
in Re-organization of Army, June 1, 1821,
to rank from July 1, 1820.

Served: on Ordnance duty, July 1, 1820, to Aug. 20, 1822; in garrison at Plattsburg, N. Y., 1822‑24, — and New York harbor, 1824, 1825, 1826; on Recruiting service, 1826; in garrison at Ft. Columbus, N. Y., 1826‑27, — Savannah, Ga., 1827‑28, — Ft. Monroe, Va. (Artillery School for Practice), 1828, — and Ft. Johnston, N. C., 1828‑29; on Courts Martial

(Bvt. First Lieut., July 1, 1830, For Faithful Service Ten Years in one Grade)

1830‑31; as Aide-de‑Camp to Major-General Scott, Jan. 3, 1831, to

(First Lieut., 2d Artillery, Oct. 10, 1831)

Apr. 2, 1838; on Special duty on the Northern Frontier, 1838‑39, during

(Captain, 2d Artillery, Apr. 3, 1838)

Canada Border Disturbances; as Acting Judge Advocate of the Army, Nov. 8, 1839, to Nov. 9, 1842; in garrison at Ft. Columbus, N. Y., 1842‑45; on Special duty, preparing his "Observations on Military Law, and the Constitution and Practice of Courts Martial," Feb. 6, 1845, to Jan. 12, 1847; in the War with Mexico, 1847, being engaged in the Siege of Vera Cruz, Mar. 9‑29, 1847, — Battle of Cerro Gordo, Apr. 17‑18, 1847, — Skirmish of Amazoque, May 14, 1847, — and Defense of Puebla, Sep. 13-Oct. 12, 1847, of which he was Lieut.‑Governor, Aug. 6 to Oct. 23, 1847; and on sick leave of absence, 1847‑48.

Died, Apr. 21, 1848, at Elizabethtown, N. J.: Aged 48.

Buried, St. John's Episcopal Church, Elizabethtown, NJ.