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Here at LSOZI, we take a break every Wednesday to explore the old steam/diesel navies of the 1833-1954 period, profiling a different ship each week. These ships have a life, a tale all their own, which sometimes takes them to the strangest places.- Christopher Eger

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Warship Wednesday (on a Thursday) 30 October 2025: End of the Line

Above we see the Italian Conte di Cavour-class dreadnought Giulio Cesare, in a very clean state while at Taranto during the Great War, on 3 June 1917. Note her interesting original five-turret (A-B-Q-X-Y), 13-barrel (3-2-3-2-3) main battery of 12″/46 Model 1909 Elswick pattern guns. She also wears a bow eagle with the Caesarian motto, “Veni. Vis. Vita.”

Following her second world war, she would go on to be the final battleship lost while in active service, under very controversial circumstances, some 70 years ago this week.

The Cavour class

The three-pack of Conte di Cavour–class battleships was designed in 1908 by RADM Engineer Edoardo Masdea, Chief Constructor of the Regia Marina, in the immediate spell after HMS Dreadnought and the French Courbet-class battlewagons. They followed in the wake of Italy’s first dreadnought, Dante Alighieri (19,500t, 551 ft. oal, 22 knots, 12×12″ guns, 10 inch armor plate), but were much heavier, at 24,500 tons.

As built, they carried the previously mentioned 13 12″/46s as well as 18 casemated 4.7″/50s, three torpedo tubes, and assorted tertiary light guns. Their Parsons turbines on 20 Yarrow boilers allowed Cavour to hit 22 knots on trials, but Cesare, even with 21 Babcock boilers installed (later 24), was only able to hit 21.7 knots. Even this came by whittling down the armor belt to where it was only 9.8 inches at its thickest, tapering to as thin as 3 inches near the bow, while the front forward tower and front turret faces were only 11 inches. Still, they were triple bottomed and had 23 watertight sections. While Terni made the armor for Cavour, Cesare’s and Da Vinci’s was imported from Bethlehem in Pennsylvania.

The three sisters, Cavour, Cesare, and Leonardo da Vinci, were laid down within weeks of each other in the summer of 1910 at three different yards (La Spezia, Gio. Ansaldo, and Odero) to be finished in 1913, one that would slip slightly due to Italy’s war with the Ottoman Empire and a diversion of resources during that period.

Hail, Cesare!

Our subject was named after the legendary Roman general and statesman of Et Tu Brute fame. Laid down at Ansaldo in Genoa on 24 June 1910, she launched on 15 October 1911 to much fanfare, one day after Da Vinci slid down the ways at Odero.

Fitting out would take nearly three full years, but she entered service on 14 May 1914, just 10 weeks before the “lights went out across Europe.”

She was the first of her class commissioned, three days before Da Vinci and a full 11 months ahead of Cavour, which had been delayed due to Terni developing their cemented armor, while Ceasare and Da Vinci benefited from American imports.

Great War

While the potential of a clash with the British and French loomed at the beginning of WWI, as Italy was officially an ally of Germany and Austria, the country’s quick declaration of neutrality, migrating to a polar shift to join the fight against Berlin and Vienna by May 1915, changed the orientation of the Italian battle fleet.

The Cavours were assigned to RADM Corsi’s 1st Battleship Division and left on seemingly eternal alert, ready to weigh anchor and sortie out within three hours.

With the German Mediterranean Squadron chased to the Black Sea and the Austrian fleet effectively bottled up in the Adriatic, the naval war in the region devolved into four years of small craft and submarine operations as the respective battleships lay in wait for a decisive Tsushima/Battle of Yalu River/Manila Bay/Santiago style sea clash.

This led to a boring war for the Italian battleships as the Austrians decided to ride out the war safely at anchor rather than tempt a Jutland.

Sadly, Da Vinci would be lost to an unexplained magazine explosion while moored at Taranto in August 1916, taking a full quarter of her crew with her.

In all, Cesare only spent 418 hours at sea during Italy’s war, 31 hours on combat missions (supporting operations in the islands of the Ionian archipelago in May 1917), and 387 hours in training/exercises, without ever encountering an enemy during the conflict in which her country suffered over 650,000 dead.

Interwar

The remaining sisters saw more sea time in the months just after Versailles than during the entire war, with Cavour heading to the Americas for a flag-waving cruise while Cesare toured the Eastern Med and stood by the Greek-Turkish conflict.

Following this, she had her first modernization, landing some small guns and her bow crest, picking up some AAA pieces, and changing her mast arrangements.

She also engaged in a bit of battleship diplomacy, being used in the seizure of Corfu in August 1923.

A 1925 upgrade saw her pick up a Macchi M.18 seaplane over the stern along with a catapult and crane to retrieve it, and, after two years in ordinary, by 1928, she was relegated to use as a gunnery training ship, with the country soon after moving to build four new 40,000-ton Littorio-class battleships.

Great Rebuild

It was decided by the Italian admiralty in the early 1930s to not only keep on with the construction of a planned quartet of new Littorio-class 30-knot fast battleships, with their impressive 15-inch guns, but also to extensively modernize the two Cavours and the two similar yet slightly younger Andrea Doria-class battleships, giving Mussolini eight battleships in a decade. At least that was the plan, anyway.

Following the design by Gen. Francesco Rotundi, the Cavours and Dorias were rearming with more capable 12.6″/44 Model 1934 guns on upgraded mounts, with the middle Q mount deleted, giving them 10 new guns in place of 13 older ones, with a modern fire control house atop the conning tower.

The modernization also added armor, replaced the boilers and machinery, and deleted the casemate guns for more modern  3.9″/47 M1928 twin AA guns in high-angle turrets.

Cesare carried 12 of these 100 mm/47 (3.9″) Model 1928 AA guns in six twin turrets. These art deco-looking mounts were also used on the Trento, Zara, and Condotteri class cruisers.

They also picked up an assortment of twin Breda 37mm and Breda M31 13.2mm guns, landed the circa 1914 torpedo tubes, and lengthened the hull for added stability. Powered by eight more efficient Yarrow boilers and with 75,000shp on tap compared to the old 30,000shp, the class could make 27 knots, making them, at age 20, the fastest they had ever been.

Cesare underwent modernization at the Cantieri del Tirreno shipyard in Genoa from 25 October 1933 to 1 October 1937. Tellingly, the rebuild was one month longer than her original construction.

The U.S. Navy’s ONI, with war on the horizon, made sure to get several nice images of her in the late 1930s, essentially a new ship built around the upcycled bones of a circa 1914 dreadnought.

Many shots endure from the epic May 1938 Naples Naval Review.

A Second War

Soon after Italy joined Germany in World War II, Cavour and Cesare, as the 5th Battleship Division, were part of a 14-cruiser/16 destroyer covering force running a convoy from Taranto across the Med to the country’s Libyan colony under the overall command of ADM Ingio Pola.

On the return trip, they crashed into a trio of Royal Navy task groups, Force A (five cruisers), Force B (battleship HMS Warspite and six destroyers), and Force C (battleships HMS Malaya and Royal Sovereign, carrier Eagle, 10 destroyers) on 9 July 1940, and the Battle of Calabria/Battle of Punta Stilo ensued.

During that clash, in which no ships were ultimately sunk on either side, Cesare opened fire on Warspite at an impressive 29,000 yards and, while her shells fell long, damaged two of the British battlewagon’s escorting destroyers. In return, the closing Warspite fired at and eventually hit Cesare with a 15-inch shell from 26,000 yards, exploding one of the Italian ship’s funnels and damaging four boilers, causing her to fall out of the battle line and reduce speed as Cavour took over. Cesare made it to Messina safely and took a month to repair.

Then came the dramatic pre-Pearl Harbor night attack by a handful of British Fleet Air Arm Swordfish torpedo bombers from the carrier HMS Illustrious on the Italian battleship anchorage of Taranto on 11 November 1940.

While Cesare was spared damage, one torpedo sank sister Conte di Cavour in shallow water and effectively took her out of the war.

Cesare would strike out against the British again at the Battle of Cape Spartivento/Cape Teulada in November, without giving or receiving much damage, and in convoy work, including what is remembered by the Brits as the First Battle of Sirte off Malta in December 1941.

With the Med becoming less and less friendly to Italian capital ships due to British submarines and land-based bombers, Cesare was largely port-bound by 1942 and was eventually withdrawn up the Adriatic to a safer anchorage at Pola (Pula) and reduced to training status. It would seem her war was effectively over.

During the 1940–1943 campaign, Cesare made 38 combat sorties, covering 16,947 miles in 912 sailing hours, and consumed 12,697 tons of oil in the process.

Russia-bound

Spared the indignity suffered by most other post-1942 Axis capital ships, which were sunk at their moorings by Allied bombers, when Italy switched sides on 8 September 1943, Cesare overcame a small mutiny by Mussolini-inclined crew and made it safely to Malta by the interned under British guns. She fought off German air attacks along the way and managed not to be sunk by her former allies, such as the Littorio-class battlewagon Roma, which was sunk by German Fritz X radio-controlled bombs launched by Do 217s on 9 September, taking over 1,300 of her crew to the bottom.

Cesare was the last Italian capital ship to arrive at Malta.

As the invasion of Italy pushed the Germans and the rump of the Italian socialist republic further and further up the country’s “boot,” Cesare and the two Dorias were released to return to Taranto in June 1944, where they languished in ordinary.

Post VE-Day, Cesare was one of a list of ex-Italian vessels held by an Allied commission to be handed out as trophies.

This process dragged on for years as Stalin’s iron curtain descended across Eastern Europe and the Western Allies were in no hurry to keep giving his war machine new toys. It was only in December 1948 that she was moved to Sicily and finally removed from the Italian naval list, ending her 34 years of service to Rome.

Ex-Cesare was turned over to the very happy Soviets under ADM Gordey Ivanovich Levchenko on 6 February 1949.

While Stalin wanted the newer Littoros, Cesare was arguably the nicest battleship the Russians had at the time, despite her age and the fact that she had basically been in reserve for six years and had not been dry-docked in eight.

After Cesare departed for a Soviet port, the loaned Arkhangelsk (HMS Royal Sovereign) was returned to England for scrapping.

Dubbed originally Z11 and moved to Communist allied Albania for a quick two-week refit with an Italian adviser crew aboard, then departed for Sevastopol. By order of the Black Sea Fleet dated 5 March 1949, the Italian battleship was renamed Novorossiysk.

Reportedly in extremely poor condition, with inoperable diesel generators, leaking pipes, broken fittings, and suffering signs of purposeful Italian neglect and sabotage, the Russians spent the next several years trying to reshoe their gift horse.

Although the Italians had delivered a library of technical manuals and books on the ship’s systems, a handful of Russian Italian translators on hand lacked experience in the specialized terminology used in the tomes, particularly when it came to handwritten notes and abbreviations, and the books ultimately proved an alien language.

After six weeks in dry dock at Sevastopol, Cesare/Novorossiysk sailed (briefly) as Black Sea Fleet flagship on maneuvers in July 1949. Over the next five years, she had five shipyard overhauls (July 1950, April-June 1951, June 1952, November 1954, and February-March 1955) in an attempt to bring old systems back online and add new ones.

The Soviets added several new AAA batteries (24 twin 37mm V-11 guns, six 37mm 70-K automatic cannons) and a Zalp-M radar.

It was planned to put the elderly battlewagon into her second rebuild (first Russian), which would include new Soviet-made turbine engines and Russian Obukhovskii 12″/52 Pattern 1907 guns left over from the Tsarist Gangut, Imperatritsa Maria, and Imperator Nikolai I battleship classes.

She never made that grand overhaul.

Tragedy in Sevastopol

On the night of 28 October 1955, the 41-year-old Cesare/Novorossiysk returned from a cruise marking the 100th anniversary of the defense of Sevastopol and tied up at Buoy No. 3 near the Naval Hospital.

At 0131 on 29 October 29, a massive explosion under the ship’s starboard bow pierced the battleship’s hull, blew out part of the forecastle deck, and created a cavernous 1,600 sq. ft underwater hole.

Within a minute, a second explosion on the port side created what was later found to be a 2,000 sq. ft. hole in her hull.

The warship didn’t stand a chance and was settling on the harbor floor in minutes, and began to list, eventually turning turtle by the following evening.

At least 557 of the battleship’s crew were lost, along with some 60 men from the rest of the fleet who were lost in the attempt to save the ship and rescue trapped sailors.

We won’t get into the myriad of theories as to what killed Cesare/Novorossiysk, but suggestions have ranged from the far-fetched, such as Italian frogmen of the long-disbanded Xª MAS and long-dormant scuttling charges left aboard in 1948, to German bottom mines left over in the harbor’s silty bottom from their occupation of the port in WWII and assorted internal magazine explosions. Lingering mines seem the most likely cause, as extensive sweeps later found 32 mines on the bottom of Sevastopol’s harbor, some dating to the Great War.

In the end, with Stalin long gone and the Red Banner Fleet moving towards a more submarine and missile-borne strategy, the age of the Russian battleship came to an end as Cesare/Novorossiysk was raised over the course of the next 18 months and scrapped.

The final Soviet dreadnought, the circa 1911 Gangut/Oktyabrskaya Revolutsiya, was stricken on 17 February 1956 and slowly scrapped over the next two years.

After that, the handful of Turkish, French, British, and American battleships still on naval lists in NATO were soon taken out of service, with the Iowas staging a return in the 1980s-90s.

But gratefully, Cesare/Novorossiysk was the last one to go down with her flags flying.

Meminisse est ad Vivificandum – To Remember is to Keep Alive

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