John Wynn Davidson

John Wynn Davidson
John W. Davidson
Nickname(s)	"Black Jack"
Born	(1825-08-14)August 14, 1825 Fairfax County, Virginia, U.S.
Died	June 26, 1881(1881-06-26) (aged 55) Saint Paul, Minnesota, U.S.
Place of burial	Arlington National Cemetery
Allegiance	United States of America Union
Service/branch	United States Army Union Army
Years of service	1845–1881
Rank	Brigadier General Brevet Major General
Unit	1st Cavalry Regiment 10th Cavalry Regiment 2nd Cavalry Regiment
Battles/wars	Mexican–American War Battle of San Pasqual Battle of Rio San Gabriel American Indian Wars Apache Wars Battle of Cieneguilla American Civil War Seven Days Battles Battle of Bayou Fourche

John Wynn Davidson (August 14, 1825 – June 26, 1881) was a brigadier general in the United States Army during the American Civil War and an American Indian fighter. In 1850, he co-led the Bloody Island massacre of 60-200 Pomo old men, women, and children as part of the wider California genocide.

In 1866, he received brevet grade appointments as a major general of volunteers and in the regular U.S. Army for his Civil War service.