The regiment is part of the Italian Army's infantry corps' Bersaglieri speciality and was last operationally assigned to the Armored Brigade "Centauro".

After the disastrous Battle of Caporetto the regiment was disbanded on 28 November 1917 due to the heavy losses it had suffered.

During World War II the regiment fought in the Western Desert campaign in North Africa, where it was destroyed during the Second Battle of El Alamein.

In 1976 the regiment's flag and traditions were assigned to the 28th Bersaglieri Battalion "Oslavia", which had become an autonomous unit on 21 October 1975.

[1][2] In 1895-96 the regiment provided 13 officers and 298 troops to help form the I, II, IV, and V provisional battalions, which were deployed to Eritrea for the First Italo-Ethiopian War.

For its service the battalion was awarded a Silver Medal of Merit, which was affixed to the flag of the 9th Bersaglieri Regiment.

In November 1915 the divisions fought in the Third Battle of the Isonzo, with the 9th Bersaglieri Regiment deployed at Oslavia.

On 28 November 1917 the 9th Bersaglieri Regiment was disbanded due to the heavy losses it had suffered during the retreat.

On 7 April 1939 the regimental command and XXVIII Cyclists Battalion participated in the Invasion of Albania.

[1][6] On 11 April 1940 the regiment received the XL Auto-transported Battalion, the 105th Cannons Company, which was equipped with 47/32 mod.

On 10 November the regiment consisted of the following units:[1][6] In September 1941 the 101st Motorized Division "Trieste" was sent to Libya for the Western Desert campaign.

After its arrival the division was immediately employed in the Siege of Tobruk covering the besieging forces right flank.

On 18 November 1941 the British Eighth Army launched Operation Crusader to relieve the siege of Tobruk.

On 6 December the Axis forces received the order to retreat westwards and the Trieste formed the rearguard and fought delaying battles at Bir Bellafaa, Sidi Breghish, Alem Hamza, and Suluq.

[1][6] On 29 March 1942 the regiment was transferred from the 101st Motorized Division "Trieste" to direct control of the X Army Corps.

[7] On 12 November 1976 the President of the Italian Republic Giovanni Leone assigned with decree 846 the flag and traditions of the 9th Bersaglieri Regiment to the battalion.