The Condottieri class was a sequence of five light cruiser classes of the Regia Marina (Italian Navy), although these classes show a clear line of evolution. They were built before World War II to gain predominance in the Mediterranean Sea. The ships were named after condottieri (military commanders) of Italian history.

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Quick Facts Class overview, General characteristics ...

Condottieri-class cruiser Raimondo Montecuccoli at Venice
Class overview
Name	Condottieri class
Operators	Regia Marina  Hellenic Navy  Soviet Navy
Subclasses	Giussano class Cadorna class Montecuccoli class Duca d'Aosta class Luigi di Savoia Duca degli Abruzzi class
Built	1928–1937
In commission	1931–1971
Completed	12
Lost	6
Retired	6
General characteristics
Type	Light cruiser
Displacement	5,323–11,350 tonnes (5,239–11,171 long tons) standard 7,113–11,735 tonnes (7,001–11,550 long tons) full load
Length	169.3–187 m (555–614 ft)
Beam	15.5–18.9 m (51–62 ft)
Draught	5.2–6.9 m (17–23 ft)
Propulsion	2 geared turbines 6 boilers 95,000–110,000 hp (71–82 MW)
Speed	37 kn (69 km/h; 43 mph)
Complement	507
Armament	8 152 mm (6 in)/53 cal. guns
Aircraft carried	2–4 × reconnaissance floatplanes
General characteristics (Luigi di Savoia Duca degli Abruzzi-class)
Displacement	11,350 t (11,171 long tons) standard 11,735 t (11,550 long tons) full load
Length	187 m (614 ft)
Beam	18.9 m (62 ft)
Draught	6.9 m (23 ft)
Propulsion	2 geared turbines 6 boilers 110,000 hp (82 MW)
Speed	34 kn (63 km/h; 39 mph)
Complement	640
Armament	10 152 mm (6 in)/55 guns
Aircraft carried	4 × IMAM Ro.43 reconnaissance floatplanes

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Each class is known after the first ship of the group:

Giussano class:

• Alberto di Giussano
• Alberico da Barbiano
• Bartolomeo Colleoni
• Giovanni delle Bande Nere

Cadorna class:

• Luigi Cadorna
• Armando Diaz

Montecuccoli class:

• Raimondo Montecuccoli
• Muzio Attendolo

Duca d'Aosta class:

• Emanuele Filiberto Duca d'Aosta
• Eugenio di Savoia

Luigi di Savoia Duca degli Abruzzi class:

• Luigi di Savoia Duca degli Abruzzi
• Giuseppe Garibaldi

The first group, the four Giussanos, were built to counter the French large destroyers (contre-torpilleurs), the first being the 2,500 ton Le Fantasque-class, and therefore they featured very high speed, in exchange for virtually no armour protection.

The following two Cadornas retained the main characteristics, with minor improvements to stability and hull strength.

Major changes were introduced for the next pair, the Montecuccolis. About 2,000 tons heavier, they had significantly better protection, and upgraded power-plants to maintain the required high speed.

The two Duca d'Aostas continued the trend, thickening the armour and improving the power plant again.

The final pair, the Luigi di Savoia Duca degli Abruzzis completed the transition, sacrificing a little speed for good protection (their armour scheme was the same of the Zara-class heavy cruisers) and for two more 6-inch /55 guns.

All ships served in the Mediterranean during World War II.

The ships of the first two subclasses (with the exception of Luigi Cadorna) were all lost by 1942, primarily to enemy torpedoes (with Bartolomeo Colleoni sunk by destroyers at the Battle of Cape Spada after being crippled by HMAS Sydney, Alberico da Barbiano and Alberto di Giussano suffering a similar fate at in a night action of the Battle of Cape Bon, Giovanni delle Bande Nere sunk by British submarine HMS Urge, and Armando Diaz sunk by the British submarine HMS Upright) that led many authors (including Preston) to question their real value as fighting ships. The subsequent vessels fared considerably better with all surviving the war, except Muzio Attendolo (torpedoed in August 1942 and sunk by an Allied bombing in December 1942).

After the end of the war, Eugenio di Savoia and Emanuele Filiberto Duca d'Aosta were given to the Greek Navy and the Soviet Navy respectively as war reparations; Luigi Cadorna was quickly stricken, Raimondo Montecuccoli became a training ship, and the Luigi di Savoia Duca degli Abruzzi subclass served on in the Marina Militare until the 1970s, with Giuseppe Garibaldi becoming the first European guided missile cruiser in 1961 .