In both theatres of operations, the Foreign Cavalry Regiment served with distinction, notably in the Levant at Messifre (September 17, 1925) and at Rachaya (from November 20 to 24, 1925).

[6] In 1944, the 1er REC landed on the côtes de Provence as one of the French armored units participating in the Liberation of France.

[6] At the end of World War II, the regimental colors were decorated with two new palms and the fourragère of the Croix de Guerre.

[6] After returning to French North Africa in 1954, the regiment was involved in the Algerian War for eight consecutive years of active service.

[6] Reattached to the 14th Infantry Division (14th DI) on January 1, 1976; the 1st Foreign Cavalry Regiment returned to Africa the same year, serving in Djibouti and then Mayotte.

[6] Engaged in operation Daguet starting September 15, 1990; the regiment as whole was found complete in the desert of Saudi Arabia on November 6, 1990.

[6] On February 23, 1991; the regiment crossed the Iraqi frontier, reached its objective at the D'As Salman air base within 36 hours.

[6] From December 1992 to June 1993, the regiment served in Cambodia as part of the United Nations peacekeeping force (APRONUC).

[6] The 2nd Squadron of the Regiment served in Sarajevo as part of the United Nations Protection Force (FORPRONU) from October 1993 to February 1994, and subsequently with the cadre of BATINF from January to June 1995.

From 1995 to 1996, the 1st Foreign Cavalry Regiment was engaged in the former Yugoslavia within the cadre of the force de réaction rapide (FRR) and in Chad as part of Opération Épervier.

In January 2013, an AMX 10 RC unit from the regiment was deployed in Mali as part of Operation Serval, to counter an Islamist offensive against the local government and engaged in battle for control of the town of Diabaly.