6th Massachusetts Militia Regiment

The 6th Massachusetts Militia Regiment was a peacetime infantry regiment that was activated for federal service in the Union army for three separate terms during the American Civil War (1861-1865). The regiment gained notoriety as the first unit in the Union Army to suffer fatal casualties in action during the Civil War in the Baltimore Riot and the first militia unit to arrive in Washington D.C., in response to President Abraham Lincoln's initial call for 75,000 troops.

Source: Wikipedia — 6th Massachusetts Militia Regiment (CC BY-SA 4.0)