1877 - Born in Washington, D.C., on the 1st of July. He was the first African-American general in the U.S. Army.
1898 - He entered the military service on 13th of July as a temporary first lieutenant of the 8th United States Volunteer Infantry.
1899 - He was mustered out on 6th of March.
- On 18th of June, he enlisted as a private in Troop I, U.S. 9th Cavalry Regiment of the Regular Army and served as corporal and squadron sergeant major.
1901 - On the 2nd of February, he was commissioned a second lieutenant of Cavalry in the Regular Army.
1901 - In August he was assigned to duty with the 2nd Squadron, 10th Cavalry.
1905-1909 - He was made Professor of Military Science and Tactics at Wilberforce University, Ohio.
1905 - Promoted to first lieutenant on 30th of March.
1912 - Served as Military Attaché to Monrovia, Liberia.
1915 - Attained the rank of captain on 24th of December.
1917 - He was the temporary major on 5th of August.
1918 - Became the lieutenant colonel (temporary) on 1st of May.
1919 - He reverted to his permanent rank of captain on 14th of October.
1920 - Promoted to lieutenant colonel on 1st of July.
1930 - Became colonel on 18th of February.
1937 - He was transferred from Tuskegee Institute to Wilberforce University.
1940 - Served as brigadier general on 25th of October.
1941 - He was retired on 31st of July and recalled to active duty with the rank of brigadier general the following day.
1942 - Assigned to the European Theater of Operations in September.
1944 - Became Special Assistant to the Commanding General, Communications Zone, and European Theater of Operations, stationed in Paris, France.
1945 - He was granted a period of detached service for the purposes of recuperation and rehabilitation.
1946 - In January he became Special Assistant to the Inspector General, Washington, D.C.
1948 - He retired on 14th of July as the senior Brigadier General.
1970 - Benjamin Oliver Davis, Sr. died on 26th of November.
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