Publish Date 
Written by Garry Gibbons Cavenaugh of Pennsylvania
Appointed from Delaware, Private, Corporal and Sergeant, 1st Delaware Infantry, 2 September 1861 to 25 July 1864
First Lieuetnant, 1st Delaware Veteran Infantry, 26 July 1864
Captain, 26 December 1864
Honorably mustered out 12 July 1865
Second Lieutenant, 37th U. S. Infantry, 28 July 1866
Transferred to the 5th U. S. Infantry, 19 May 1869
Unassigned, 5 June 1869
Assigned to the 13th U. S. Infantry, 31 March 1870
First Lieutenant, 4 September 1871
Captain, 16 August 1884
Major, 17 September 1898
Retired, 16 September 1899
Spanish-American War Report:
Captain Harry G. Cavenaugh of the Thirteeneth United States Infantry, who is reported wounded in the left hip in Friday's battle (Santiago, Cuba), was born in Pennsylvania and began his military career as Corporal in the Delaware Volunteer Infantry on September 1, 1861, and was almost immediately made a Sergeant. He was commissioned First Lieuetnant in the Thirteenth July 26, 1864.
Six months later he was promoted to a Captaincy. On July 12, 1865, he was honorably mustered out of the volunteer service. On July 28, 1866, he was appointed Second Lieutenant in the Thirty-seventh United States Infantry and was transferred to the Fifth Infantry on May 19, 1869. He was assigned to the Thirteenth Infantry on March 30, 1870. He was made a First Lieutenant on September4, 1871, and was advanced to the Captaincy of Company I of the Thirteenth in August 1884.
CAVENAUGH, HARRIETT G WIDOW OF HARRY
- DATE OF DEATH: 11/15/1949
- BURIED AT: SECTION 3 SITE 3930 W H
ARLINGTON NATIONAL CEMETERY
CAVENAUGH, HARRY G
LT COL USA RTD
- DATE OF DEATH: 07/18/1919
- BURIED AT: SECTION 8 DIV SITE 3930
ARLINGTON NATIONAL CEMETERY
Michael Robert Patterson was born in Arlington and is the son of a former officer of the US Army. So it was no wonder that sooner or later his interests drew him to American history and especially to American military history. Many of his articles can be found on renowned portals like the New York Times, Washingtonpost or Wikipedia.
Reviewed by: Michael Howard