About 140 ships of all tonnage in 1890.
By 1890, the Italian Navy had become a regional naval power, boasting some of the fastest and most heavily armed warships in Europe. The Italia-class ironclads in particular symbolized Italy’s willingness to experiment with naval technology. However, Italy’s navy remained smaller and less globally capable compared to the British Royal Navy or the French Marine Nationale. Its main goal, still, was to keep a watchful eye on the Austro-Hungarian Navy, but the margin created also helped in some diplomatic leverage across the globe, and help starting early colonial enterprises.

General Overview
The Italian Navy between 1870 and 1890 underwent a significant transformation as the newly unified Kingdom of Italy sought to establish itself as a maritime power. This period marked a transition from wooden sailing ships to armored, steam-powered warships, as Italy attempted to keep pace with naval developments in other European powers like Britain and France.
Key Developments (1870–1890):
Formation and Early Modernization: The Regia Marina (Royal Navy) was officially formed in 1861 following the unification of Italy, incorporating ships and personnel from the navies of pre-unification states (like the Kingdom of Sardinia and the Kingdom of the Two Sicilies). By 1870, Italy had modest naval forces but aspired to challenge Austria-Hungary and France in the Mediterranean. The navy emphasized ironclad warships, following the naval battle of Lissa (1866), where Italian forces suffered a defeat against Austria.
Ironclads and Naval Innovation

Italy invested heavily in ironclad battleships during the 1870s and 1880s, favoring large, heavily armed vessels.
Notable ships included:
-Duilio-class ironclads (Duilio and Dandolo) – Launched in 1876–78, they were revolutionary at the time with massive 450 mm (17.7 in) guns and strong armor.
-Italia-class ironclads (Italia and Lepanto) – Launched in the 1880s, these ships were exceptionally fast for their size and had unarmored decks but a high speed (up to 18 knots).
-These designs were often more experimental and innovative than those of other nations, though they were also expensive and controversial.
Naval Policy and Strategy
Italy’s naval strategy focused on “fleet-in-being” concepts and coastal defense rather than global power projection.
There were frequent debates about whether to build a large battle fleet or concentrate on smaller vessels like torpedo boats—an area where Italy became a pioneer in the 1880s.
Naval budgets were limited, leading to uneven shipbuilding programs and long construction times.
Development of Torpedo Boats
Italy was one of the first countries to recognize the potential of torpedoes as a weapon to counter large ironclads.
The Regia Marina invested in torpedo boats and fast craft, aiming to complement its heavy battleships.
By the late 1880s, Italy had a growing fleet of small, fast torpedo boats that could strike larger vessels.
Expansion and Colonial Ambitions
Naval expansion was tied to Italy’s colonial ambitions in the Red Sea (Eritrea) and later East Africa.
Bases such as Massawa were supported by the navy, which began to project power beyond the Mediterranean.
Challenges
Despite its ambitious ship designs, Italy’s navy faced:
Limited funding compared to Britain or France.
Shortages of skilled personnel and trained crews.
Logistical issues, as Italy lacked a strong domestic naval industry in the early years (many warships were built abroad, especially in British shipyards).
Technological Innovations
(In writing)
Nomenclature
Battleships
Caio Duilio class (Saint-Bon design)

Ships: Caio Duilio (1876), Enrico Dandolo (1878)
Displacement: ~11,000 tons, Armament: 4 × 17.7 in (450 mm) muzzle-loading guns in two turrets, Speed: ~15 knots, Armor: Belt up to 21.5 in (545 mm); turret ~17 in
Notes: Among the most heavily armed warships in the world at launch. Small number of heavy guns, maximum firepower.
Italia class (Brin design)

Ships: Italia (1880), Lepanto (1883)
Displacement: ~13,700–15,000 tons, Armament: 4 × 17 in (432 mm) breech-loaders, Speed: 18+ knots, Armor: No side belt; armored deck (4 in); heavily compartmented
Notes: Revolutionary “semi-battlecruisers.” Fast and unarmored but with powerful guns and high survivability via internal protection.
Ruggero di Lauria class
Ships: Ruggero di Lauria (1884), Andrea Doria (1885), Francesco Morosini (1885)
Displacement: ~9,800 tons, Armament: 4 × 17 in (432 mm) breech-loaders, Speed: ~17 knots, Armor: Belt up to 17.75 in (451 mm)
Notes: More conservative than Italia-class. Represented a compromise between armor and firepower.
Cruisers
Etna class (1885–1888)
Ships: Etna, Vesuvio, Stromboli, Etna (others canceled)
Displacement: ~3,000 tons, Armament: 2 × 10 in, 6 × 6 in QF, Speed: ~17–18 knots, Armor: Armored deck ~1.5 in
Notes: Protected cruisers with decent speed and firepower for the era.
Tripoli (1886)
Type: Torpedo Cruiser (part of Jeune École thinking)
Displacement: ~850 tons, Armament: 5 × 14 in torpedo tubes, light guns, Speed: 17–18 knots
Notes: Used for training, scouting, and coastal defense
Goito class torpedo cruisers (1888–89)
Ships: Goito, Montebello, Monzambano, Confienza
Displacement: ~800 tons, Armament: 5–6 torpedo tubes, small guns, Speed: 18+ knots
Notes: Fast, light, intended for offensive torpedo tactics.
Partenope class torpedo cruisers (1888–89)

TORPEDO BOATS

The “Torpediniere” were something big early on in Italy as the development of the Whitehead torpedo in Austria triggered alarms bells at the Italian Admiralty. Fortunately, Britain was quicker to capitalize non the invention rather than Austria. Nevertheless, Italy jumped in the bandwagon and embraced partly the Jeune Ecole theories, ordering spare torpedo vessels in the 1870s and TBs in Britain in the 1880s as well as in Germany (Schichau) before starting its own classes. Let’s cites:
Nibbio (1878) 24.38 x 3 x 1 m/25,5 tons 1 shaft TER, 1 boiler 250 ihp/18kts 2x 14 in TTs
Avvoltoio (1879) 26.21 x 3.3 x 0.95 m/25 tons 1 shaft VTE, 1 boiler 420 ihp/22.5 kts 2x 14 in TTs
Sparviero class (1881) 30.43 x 3.81 x 1.49/39,5 tons 1 shaft VR, 1 boiler 620 ihp/22.5 kts 2x 14 in TTs
Aquila (1881) 29.18 x 3.28 x 1.47/34,5 tons 1 shaft VDE, 1 boiler 475 ihp/20 kts 2x 14 in TTs+ twin 25 mm
-Aldebaran class TBs (1882-87)
-Euterpe class TBs (1885)
-Mosca class TBs (1885)
See also
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