derives from the Battle of Chippawa, in which British Major General Phineas Riall noticed that the approaching regiment wore militia uniforms.

Elements of the 6th Infantry were also part of IFOR, Task Force Eagle, which was charged with implementing the military aspects of the General Framework Agreement for Peace in Bosnia and Herzegovina.

They returned in December of that year when the U.S. and Iraqi government failed to come to an agreement concerning soldiers diplomatic immunity, making the Regulars one of the last units to withdraw from the Iraq.

The present 6th United States Infantry traces its lineage back to 11 January 1812, when the Congress authorized a strengthening of the regular Army in preparation for the conflict that became known as the War of 1812.

[citation needed] From late 1860 to mid-1861 detachments of Company B from Fort Humboldt were involved in the Bald Hills War, patrolling and in 1861, skirmishing with the local Indians on Mad and Eel Rivers and their tributaries.

At the outset of the Civil War in April 1861, the regiment was directed to hurry eastward from Oregon and California and join the Federal forces.

According to one biographer of the time, "Several of the Regiment's best and bravest officers, honest in the mistaken construction of the Constitution and true to their convictions as to their duty, had tendered their resignations and given themselves to the Confederate cause.

The regiment returned to the United States, serving at Fort Sam Houston, Texas, from the end of 1898 until late July 1899, when it sailed to the Philippines aboard USAT Sherman[5] to help quell the insurgents in the Philippine–American War.

For three days in 1906, elements of the regiment fought in the First Battle of Bud Dajo, one of the fiercest conflicts of the entire island campaign.

The 6th Infantry Regiment arrived at the port of New York on 13 July 1919 on the troopship USS America, and emergency period personnel were discharged from the service.

The regiment was reviewed on 3 November 1921 by General John J. Pershing, the former commander of the American Expeditionary Force, and Marshal Ferdinand Foch of France upon its arrival in St. Louis, Missouri.

Leaving from Fort Dix, New Jersey on 11 April 1942, the Old Ironsides patch set foot on European soil in Northern Ireland on 16 May 1942.

3rd Battalion-6th Infantry (3-6 IN), under the command of LTC George F. Marshall, was assigned to Operation Reservist with the mission of sailing directly into the Oran harbor and capturing valuable facilities and ships before the Vichy French could mount an effective resistance.

Attacking alongside elements of the 1st Battalion-1st Armored Regiment, LT Leeb's Platoon rolled onto the airfield from the east while 2nd and 3rd PLTs (under LTs J. F. Sullivan and Jesse E. Frank respectively) blocked off approaches from Oran and managed to capture an enemy ammunition train.

[7] To the west of Oran, 1st Battalion-6th Armored Infantry (1-6 IN), under the command of LTC William B. Kern, was assigned to TF Green, and they quickly assaulted and captured Y Beach without opposition.

B Company was detached from 1-6 IN and joined 1st Battalion-13th Armored Regiment in their push to secure La Senia airfield, but the flying column was delayed by French anti-tank guns, forcing TF Green to halt for the day.

In the initial push into Oran, A Company (under CPT Thomas Hoban), as well as the Battalion cannon platoon for 1-6 IN supported TF Green's attack.

In a series of rapid thrusts beginning on 24 November, elements of the 1st Armored Division and other Allied units began advancing on Tunis.

Despite early American success, a German-Italian force under General Wolfgang Fischer counterattacked on 1 December, driving Allied units back.

The next day, 2 December, Axis units began harassing Allied lines of communication along the Medjez-el-Bab-Tebourba road, so LTC Kern's 1-6 Infantry was sent to destroy them, which they did with the help of C Bty, 27th Armored Field Artillery Battalion.

By 4 December, the enemy had retaken the town of Tebourba, and the Allied forces rushed to get into defensive positions after plans for a counterattack were abandoned.

Seven Panzers attacked through a gap in the ridgeline, isolating 3rd Platoon and allowing German infantry to advance up the sheltered ravines.

The Americans then counterattacked but were severely defeated by German defensive positions and anti-tank guns, leaving many destroyed M3 Lee tanks behind, burning under the desert sky.

The 1–6th Infantry was the division's first element ashore, arriving at Chu Lai in October to participate in its thirty-fifth campaign and ninth war.

After a brief initial operation south of Đức Phổ, the battalion was assigned the mission of securing the installation at Chu Lai.

After four days of fierce fighting, the threat to Da Nang was obliterated and the task force was deactivated and returned to the Americal area of operation.

From there, Bravo Company 2-6 IN "Death Dealers" were sent to Ramadi, Iraq (via TQ Air Base) and operationally assigned to Task Force 1-35 Armor, Commanded by LTC Tony Deane.

During that time the Regulars operated out of the four main U.S. bases in the area: Camp Ramadi, Blue Diamond, Corregidor, and COP Dealer.

Instead of a Fallujah-style sweep, the combat outpost style of fighting was used where the Regulars created patrol bases deep inside various neighborhoods of the city form which to stage operations, pull security, and draw contact.

One Navy SEAL, Michael Monsoor, was posthumously awarded the Medal of Honor for saving the lives of several of his team members during intense fighting in Ramadi.