Calzecchi") is an inactive tank battalion of the Italian Army, which was based in Ozzano dell'Emilia in the Emilia Romagna and last operationally assigned to the Mechanized Brigade "Friuli".

In March 1942, the battalion was transferred to Libya, where it was assigned in May 1942 to the 101st Motorized Division "Trieste", with which it fought in the Western Desert campaign.

The battalion's anniversary falls, as for all tank units, which have not yet distinguished themselves on the battlefield, on 1 October 1927, the day the tankers speciality was founded.

By March 1942, the 133rd Tank Infantry Regiment had reached Libya and from then on participated in the Western Desert Campaign.

On 15 May 1942, the XI Tank Battalion M13/40 was transferred to the 101st Motorized Division "Trieste".

On 30 November 1942, the XI Tank Battalion M13/40 was declared as lost due to wartime events.

The regiment was assigned to the 131st Armored Division "Centauro", with which it fought in the Tunisian campaign.

The regiment was declared lost due to wartime events on 18 April 1943 after the Battle of El Guettar.

Tank and armored battalions created during the 1975 army reform were named for officers, soldiers and partisans of the tank speciality, who had served in World War II and been awarded Italy's highest military honor the Gold Medal of Military Valor.

[1][4] On 12 November 1976 the President of the Italian Republic Giovanni Leone granted with decree 846 a new flag to the battalion.

Calzecchi" in Ozzano dell'Emilia lost its autonomy and the next day entered the 11th Tank Regiment "M.O.

Scapuzzi" in Civitavecchia lost its autonomy and transferred the flag of the 33rd Tank Regiment, which had been assigned to the battalion in 1976, to Ozzano dell'Emilia, while on the same day the flag of the 4th Tank Regiment was transferred from Ozzano dell'Emilia to Civitavecchia.