Already in Ethiopia in October, 1935, the division Sila have participated first in the capture of Mek'ele. From 4 November, 1935, it has stationed in the Adigrat. In December, 1936, some local fighting has happened at the line Ādī K’edawīt - Passo Doghea line. Also, reconnaissance raids were carried to Ziban Debrī Bota and Celecot. 19 January, 1936, the Sila division have broken through the Ethiopian defences, capturing several towns in the Tembien Province. It did not participate in the nearby First Battle of Tembien though and acted only in the final stages of Battle of Amba Aradam, capturing Āmba Ālagē 26 February, 1936. In March, 1936, the Sila division has spread to Finarwa - Sek'ot'a region where it stayed until the end of war.
24 May, 1939, the division Sila was renamed Brescia and received a 1st mobile artillery regiment instead of normal infantry artillery regiment. By the June, 1940, the Brescia was located around Zawiya, Libya and fought French-supported Tunisian irregulars from 1 June, 1940 until 25 June, 1940. After the Franco-Italian Armistice has come into effect, the division was tasked with the coastal defence west of Tripoli. A divisional arillery was detached to fight at Mechili-Derna, Libya line 25-29 January, 1941. Following failure of Italian front, it retreated through Marj and Benghazi, but was encircled north of Ajdabiya 5 February, 1941. In early March, 1941, the division have consolidated at El Agheila and started a counter-offence 24 March, 1941, together with German forces defeating British troops at Brega by 31 March, 1941. It has entered Ajdabiya 2 April, 1941, and used for the defence of the communication lines.
On 12 April, 1941, as Italian and German forces commenced their Siege of Tobruk, the Brescia Division along with the German 3rd Reconnaissance Battalion captured the port of Bardia, taking several hundred prisoners and a large quantity of booty. But the attack have stalled and Rommel was forced to call for reinforcements. On the night of 30 April, a strong Italo-German force attacks the Tobruk defences again, and the Ariete, Brescia, 8th Bersaglieri Regiment and Guastatori (combat engineers) involved capture seven strongpoints( R2, R3, R4, R5, R6, R7 and R8).On the night of 3 May, the Australians counterattack but the Italians in the form of the Trento, Pavia Divisions and some panzergrenadiers repel the attackand the attackers are only able to recapture one strongpoint from the defending Italian troopsOn the night of 16 May, the Brescia Division retaliates with the help of two platoons of the 32nd Combat Engineer Battalion and breaches the defensive perimeter of the 2/9th and 2/10th Battalions. With the obstacles removed, the Brescia troops involved, who bring flame-thrower parties and tanks, capture S8, S9 and S10 strongpoints.The Australians fight back and the Commanding Officer of the Guastatori's, Colonel Emilio Caizzo is killed in a satchel attack and wins a posthumous Gold Medal for valour. Although the Australian Official History admits losing three positions, it claims the attackers were 'Germans'.However, an Italian narrative has recorded:
With great skill and speed the Guastatori open three lanes in the mines and obstacles to let the Brescia Fucilieri through. Side by side with the Brescia assault troops they inflict heavy losses on the enemy and take out further strong points with explosives and flamethrowers.
Australian military historian Mark Johnston states there was an "unwillingness to acknowledge reverses against Italians" in Australian official accounts.
Major-General Leslie Morshead was furious and ordered the Australians to be far more vigilant in the future.Among the objectives initially selected during the planning of Operation Brevity was the recapture of S8 and S9 strongpoints, but this was abandoned when it was discovered the Australians had recovered them.
On 24 May, the Brescia Division which had taken over the western front of Tobruk, repelled an attacking infantry force, supported by tanks. On 2 August, another attack was launched to recover the lost strongpoints, but the attacking forces from the Australian 2/43rd Battalion and 2/28th Battalions are repulsed. This was the last Australian effort to recover the lost fortifications. As part of the besieging forces around Tobruk, the Brescia held out against British offence from 24 November, 1941 until 10 December, 1941 when the British 70th Division (Polish Independent Carpathian Rifle Brigade captured the White Knoll position) finally broke through the Brescia rearguards and lifted the siege of Tobruk during Operation Crusader. Advancing in broad daylight on 11 December, a battalion of the Brescia came within 50 yards of the 23rd New Zealand Battalion, but were cut down by the machine guns of the New Zealanders. Initial retreat was to the Ayn al Ghazālah. On 15 December, the Brescia Division held its ground at the Ayn al Ghazālah (Gazala) against the attacking 2nd New Zealand Division and Polish Brigade, allowing a strong Italo-German armoured force to counterattack and overrun the 1st British Battalion, The Buffs.. 18 December, stuck with the British forces and outflanked from south, it began to retreat to Ajdabiya and reached the planned positions 22 December, 1941.
From January, 1942, the Brescia division was defending a front around Qabr al Fārigh, south-west Derna, Libya. It has moved to forward positions at Qabr al Fārigh (south of Derna, Libya in April, 1942. During the Battle of Gazala, the 'Brescia played an important role in the capture of 6,000 prisoners on 16 June 1942, after the Trieste and 15th Panzer Division had destroyed the British 2nd and 4th Armoured Brigades. operating at Ghawţ al ‘Abīdī depression.
20 June, 1942, the Brescia division have passed to the south of Tobruk, and then rapidly moved through Bardia, As Sallūm and Sidi Barrani, arriving to Mersa Matruh 30 June, 1942. During the brief siege of Mersa Matruh in late June 1942, the Brescia with the Trento Division and Bersaglieri troops played an important part, in the capture of 6,000 defenders of the Xth British Corps, along with large quantities of supplies. 1 July, 1942, the British resistance was over.
From the beginning of July, the Allied resistance have mounted up. During the First Battle of El Alamein in July 1942, the Brescia deployed on El Mreir, repelled a strong force of the 5th New Zealand Infantry Brigade in the initial fighting,and during the defence of Ruweisat Rige, the 19th Regiment of the Brescia put up a tenacious defence, losing a battalion and three company commanders in the night action, before being partly overcome at dawn on July 15, delaying the Allied advance for several hours and allowing German armoured forces to launch a devastating counteratack During the 21 July, 1942, until 27 July, 1942, the British counter-attacks has become so severe what the Brescia division has ultimately stopped to the south of El Alamein.
After Second Battle of El Alamein have started 24 October, 1942, the Brescia was able to hold the positions against British armoured units until 4 November, 1942. With the front already in disarray, it than retreated through the Deir Sha'la - Fukah route. The lack of transport means have resulted in Allied units catching up and annihilating the division Brescia remnants 7 November, 1942, within the sight of the Fukah where other shattered Axis units has already gathered. The division was officially dissolved 25 November, 1942.XXVII Infantry Brigade
16th Infantry Regiment "Savona"
19th Infantry Regiment "Sila"
20th Infantry Regiment "Sila"
12th Artillery Regiment (3x artillery groups with 75/13)
27th Machine Gun Battalion
12th Engineers Company
27th Signal Company
27th Replacements Battalion
Divisional Service Units
19 Infantry Regiment "Brescia"
20 Infantry Regiment "Brescia"
55 Artillery Regiment
27 Mixed Engineer Battalion
27 Tank Battalion