1st New Hampshire Infantry Regiment filled its ranks within two weeks of President Lincoln's call for 70,000 men on April 15, 1861.

Between April 17 and 30, 1861, not less than 2,004 men volunteered to fight for the Union in the American Civil War.

Four hundred and ninety-six (496) enlisted in the 2nd NH, and the remainder were sent to Fort Constitution.

The 1st NH was commanded by Colonel Mason Tappan and later assigned to General Patterson's Army of the Shenandoah.

This article about a specific military unit of the American Civil War is a stub.