Italian battleship Caio Duilio in 1948.

The Andrea Doria class was a class of battleships of the Regia Marina (Italian Navy). Two were built in the La Spezia and Castellammare shipyards between 1912 and 1915. These ships were improved versions of the Conte di Cavour class battleships. Although both of these ships were completed during World War I, they did not see action. Both were extensively modernized prior to World War II. A ship class is a group of ships of a similar design. ... HMS Victory in 1884. ... The Italian Regia Marina (literally: Royal Navy) dates from the proclamation of the Kingdom of Italy in 1861 after Italian unification. ... Map of Italy showing La Spezia in the northwest La Spezia is a city in the Liguria region of northern Italy, at the head of La Spezia Gulf. ... Castellammare can refer to either of two municipalities in southern Italy: Castellammare di Stabia, a commune in Napoli province, Campania region; or Castellammare del Golfo, a village in Trapani province, Sicily, noted for being the birthplace of many prominent American Mafia figures. ... 1912 (MCMXII) was a leap year starting on Monday in the Gregorian calendar (or a leap year starting on Tuesday in the 13-day-slower Julian calendar). ... 1915 (MCMXV) was a common year starting on Friday (see link for calendar). ... Conte di Cavour was a battleship class of the Regia Marina in World War I and World War II. It was composed of: Conte di Cavour (reconstructed before World War II) Giulio Cesare (reconstructed before World War II) Leonardo da Vinci (sunk during World War I) all laid down in... Combatants Allied Powers: British Empire France Italy Russia United States Central Powers: Austria-Hungary Bulgaria Germany Ottoman Empire Casualties Military dead: 5 million Military dead: 4 million The First World War, also known as The Great War, The War to End All Wars, and World War I (abbreviated WWI) was... Combatants Allies: Poland, United Kingdom, Soviet Union, France/Free France, United States, China, Canada, India, Australia, New Zealand, South Africa, Greece, Norway, Honduras, and others Axis Powers: Germany, Italy, Japan, Bulgaria, Finland, Romania, Hungary, Burma, Slovakia Casualties Military dead: 17 million Civilian dead: 33 million Total dead: 50 million Military...

Ships

• Andrea Doria, launched in 1913
• Caio Duilio, launched in 1913

1913 (MCMXIII) was a common year starting on Wednesday. ... Official photo of Caio Duilio in 1912, before modernisation. ...

Specifications (As built)

• Displacement
  • Normal: 22,956 tons
  • Full load: 24,729 tons
• Lenght: 557 feet 6 inches
• Beam: 96 feet
• Draft: 31 feet
• Propulsion
  • Steam turbine system
  • 20 boilers
  • 4 shafts
  • 30,000 shp
• Speed: 21 knots
• Complement: 1233
• Aramament
  • 13 12 inch guns (Three triple and two double turrets)
  • 16 6 inch guns
  • 13 3 inch guns
  • 6 3 inch anti-aircraft guns
  • 3 17.7 inch torpedo tubes
• Armour
  • Deck:3.9 inches
  • Belt:10 inches
  • Turrets: 11 inches