On the 14th of March, it was ordered into active service, and accompanied the entire command of Major-General Banks
on the expedition of that date to the rear of Port Hudson
Here the regiment bivouacked for the first time on the ever memorable night when, by the strategical movement made by General Banks
, Admiral Farragut
was enabled to pass the batteries of Port Hudson
Having returned to Baton Rouge
, the Third Brigade was ordered on picket duty at Winter's Plantation, on the opposite bank of the Mississippi
, where it remained till the 26th of March.
On the 9th of April, four companies of the Fiftieth accompanied an expedition, about six hundred strong, under command of Lieutenant-Colonel Everett
, of the Second Louisiana Regiment, to the Bayou Monticeno
, for the purpose of destroying a bridge, which was accomplished in five hours.
On the 12th of May, the regiment marched from Baton Rouge
in company with the Third Brigade for Port Hudson
, and was ordered to remain at White's Bayou
while the forces were concentrating, and surrounding Port Hudson
in its immediate rear; after which, the Fiftieth was ordered to the front, and, on the 27th, was engaged in the assault upon Port Hudson
From this time until June 14, it was engaged in supporting batteries, when it was ordered to engage in the assault, but was held in the column, and did not participate in the fight; after which, until the fortress surrendered, it was wholly engaged in supporting batteries.
The casualties were one private mortally and three slightly wounded.
On the 8th of July, it marched within the fortifications, and did garrison duty until the 29th, when it took passage up the Mississippi
on its way home; arrived at Cairo, Ill.
, Aug. 5, and proceeded by railroad to Boston
, and was mustered out of service at Wenham
, Aug. 24.
The Fifty-first Regiment was in the Department of North Carolina.
After a rough passage, it arrived at Beaufort, N. C.
, Nov. 30; proceeding by rail to Newbern
, where it went into quarters in the unfinished barracks on the south side of Trent River
It was assigned to the brigade commanded by Colonel