The 69th Regiment Illinois Volunteer Infantry was an infantry

Infantry

Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

 regiment

Regiment

A regiment is a major tactical military unit, composed of variable numbers of batteries, squadrons or battalions, commanded by a colonel or lieutenant colonel...

 that served in the Union Army

Union Army

The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 during the American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

.

Service

The 69th Illinois Infantry was organized at Camp Douglas

Camp Douglas (Chicago)

Camp Douglas, in Chicago, Illinois, was a Union Army prisoner-of-war camp for Confederate soldiers taken prisoner during the American Civil War. It was also a training and detention camp for Union soldiers. The Union Army first used the camp in 1861 as an organizational and training camp for...

 at Chicago, Illinois and mustered into Federal service on June 16, 1862 for a term of three months. It served as camp guards of Camp Douglas during its time in service.

The regiment was mustered out on September 27, 1862.

Total strength and casualties

The regiment suffered 25 enlisted men who died of disease, for a total of 25 fatalities.