Thursday - The Hydrographic Office of the Royal Navy is set up in Genoa with the headquarters of the Regia Marina hydrological office in the old fort of San Giorgio. It replaces the Central Scientific Office transferred two years earlier from Livorno to Genoa and centralized to the 1 ° Department.

Monday - The Naval Forces crews distributed to the crews published by the "Rivista Marittima" printed the ode Christmas Night written by Giovanni Pascoli and dedicated to the sailors and soldiers in Tripolitania "because in the Christmas they spend in war - they reach their - with the voice of the Poet of Italy - the good word of the distant homeland: "Initiative of the director of the" Rivista ", Rear Admiral Francesco Roberto Mazzinghi, who asked Giovanni Pascoli to write a" word of comfort and exhortation of the Fatherland "from send to the "good sailors and soldiers" engaged in North Africa during the Christmas period, an invitation immediately accepted by the "Poet of Italy".

Saturday - The Audace destroyer, the only unit in the class, built in the local Yarrow yard in Scotstown, is delivered to the R. Marina in Glasgow, setting the 1 ° 1913 in October and launching the 27 last September.

Tuesday - The corvette of 1 ° order to Magica propeller goes into service in Genoa. The unit will play preliminary training in the Ligurian waters and then move to Naples, where it will be assigned.

Tuesday - Lieutenant Giuseppe Miraglia, at the controls of his hydro Albatros dies in a flight accident during an engine test on the sky of the Venice lagoon. The officer who had been the soul of the Venice floatplane station and with his Albatros had carried out several reconnaissance missions on Pula, the last last 18, had been decorated with a silver medal for military valor.

Monday - Salpa from S. Maria di Belem (Brazil) the Dogali ram torpedo to the command of the frigate captain Gregorio Ronca to go up the Amazon River from the mouth up to Santa Fè in Peru that will reach the 29 1905 January with intermediate stops to Santarèm, Obidos, Manaus, capital of the Brazilian state of Amazonia and Iquitos (Peru) performing in 34 days a difficult navigation of 8500 km round trip in an almost unknown river: first among the military ships of the world to make a business no longer attempted by another ship of a similar size.

"The means of assault is the only means of war that asks itself for the prodigious characteristic of achieving decisive results without putting any family into mourning. operators in an unparalleled moral position ".

Monday - Law on the rearrangement of personnel, better known as the "Brin Law".

They are Military Corps, each organically and hierarchically defined:

Friday - In Venice the submarine enters service Glaucous, first unit of the class of the same name of five boats, defined in the nomenclature of the time "submersible torpedo boats". The 1 ° August 1903 was set up at the Venice Arsenal and the 9 1905 was launched in July. It is the first example of mass production of submarines for the Royal Navy.

Thursday - The airships P.2 and P.3, of the so-called "semi-rigid" type, are deflated, disassembled and loaded in Naples on the steamer Toscana with destination Tripoli, where the construction of an airfield with two hangars is underway.

Sunday - The new body has competence on issues related to mobilization, studies on Naval Forces and their preparation, maritime defense, regulations and maritime regulations, naval programs and cadres of personnel of the Corps of the Navy, for the which the Committee is to be considered as a special progress committee.

A sudden snowstorm forces some British units, engaged in a bombing of the Libyan coast, to abandon the mission and fall back. On the way back, the British cruiser Coventry it is intercepted and torpedoed by the Italian submarine Neghelli, which seriously damages it.

To counteract the Allied maneuvers in Africa, the Italian Navy plans and raises an Algiers bay; the operation, identified by the code "NA 1", sees the joint action of SLC operators (slow-running torpedoes called "pigs") and "Gamma" men (assault swimmers), released in the roadstead by the approaching submarine Amber, started from La Spezia on December 4.

The ASW version of the modern Agusta Bell AB-212 helicopter begins its career at the Navy operating units.

After having arrested the November 16 the enemy offensive in Cortellazzo, thus preventing the Germans and the Austrians from arriving in Venice and winning the European war on the wave of Caporetto, the Italian Navy returns to the offensive by continuing its traditional strategy with moreover, this time, the precise intention of underlining in everyone's eyes the will of the nation's revenge.

As part of the operations for the breakthrough of the "Winter Line" the 1 ° Grouping was included in the deployment of the US 36 ^ division of infantry.

Concentrated in the area of ​​the town of Mignano, the group received orders for the conquest of Monte Lungo.

On December 7, 1915 four Italian torpedo boats, 2PN, 3PN, 6PN, and 30AS, under the command of corvette captain Marco Amici Grossi and availing himself, as a pilot, of the Lieutenant Nazario Sauro, they carry out a diurnal bombing of the building housing the Austro-Hungarian naval command of the coast, at the Hotel Park in Sistiana.

After important experiences in Crete in the 1897-1900 and in China between the 1900-1905, the Navy's landing departments intervene in the Eastern Mediterranean, as part of a multinational force engaged in a demonstration of force against the Ottoman Empire.

Christian martyr subjected to the torment of the fire 4 December 306 AD, the Saint has been venerated as patron of the sailors from the pre-unification Marine and confirmed in the role of the Royal Navy in the 1861. The anniversary, much felt in the Armed Force, is celebrated every year, on board and on the ground, with a religious function.

Saturday - The torpedo boat ram enters service in Naples Etna, one of the first protected cruisers destined to give positive results in the use, carried out mainly in oversea service, reaching an operational life that exceeded thirty years.