3rd Foreign Infantry Regiment The Marching Regiment of the Foreign Legion (RMLE) (French: Régiment de marche de la Légion étrangère) was a French military unit that fought in World War I and World War II.

The Marching Regiment of the Foreign Legion was created on November 11, 1915 by merging: ...with a strength of 71 officers and 3,315 junior officiers, corporals and legionnaires.

Other nationalities represented in significant numbers included Russian, Italian, Greek, Swiss, Belgian, Polish, Czech, Spanish, German, Turkish, Luxembourgers, American and British).

He had volunteered for the Foreign Legion throughout the duration of the World War I and was the author of the poem "I Have A Rendez-vous with Death".

Mid-July, the regiment only counted three combat companies per battalion and was pulled back from the front to reconstitute battle formations.

Legionnaire Kemmler, a Luxembourgian volunteer, a medic in the Machine gun section, took charge of the lead.

Even though wounded, Kemmler took command of injured legionnaires and despite the environment, managed to dress and maintain the atmosphere around the men.

The siege of "Le bois de Hangard" on April 26 witnessed the destruction of the 1st and 2nd battalions; losses for the regiment included 822 men out of which thirteen officers.

Forced to economize their ammunitions, Legionnaires endured 47 killed, 219 wounded and 70 missing in two days of combat.

Nevertheless, the RMLE succeeded in maintaining its positions and blocked the German advance in the Legion's designated combat area sectors.

Until 31 May, on a 5 km stretch, the RMLE, which included Armenian volunteers, along with the 3e BCP and 10e BCP, held the line during six days and six nights, without rear forces support, heavy artillery, air support, and with only one available short artillery battery; the regiment managed to halt all successive attacks.

September 1918 – Hindenburg Line In August 1918, the regiment recuperated the wounded and filled the ranks with reinforcements from the depot in Lyon and cadres from Morocco counting 48 officers and 2,540 legionnaires): On September 2, the regiment launched an assault on the defense line of Hindenburg at the elevation of Terny-Sorny.

Nevertheless, on September 14 the RMLE pushed forward and relaunched the attacks while piercing the front at the village of Allemant.

In January 1943, the 3e REIM was totally engaged in resisting the German offensive, engaged in separating the communication couloir between the Armies of Generaloberst Hans-Jürgen von Arnim of Tunisia, and the Armies of Generalfeldmarschall Erwin Rommel, set back since the Second Battle of El Alamein.

Retrieved from the front on February 10 to reform battle formations, the regiment was reinforced on March 30, 1943 by a detachment from Morocco.

From November 15 to December 13, the battalions of the RMLE participated with the designated Combat Command of the 5th Armored Division in operations of Trouée de Belfort.