The 4th Army () was a

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

and

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

field army of the

Royal Italian Army The Royal Italian Army () (RE) was the land force of the Kingdom of Italy, established with the proclamation of the Kingdom of Italy. During the 19th century Italy started to unify into one country, and in 1861 Manfredo Fanti signed a decree c ...

World War I

During World War I, the 4th Army was positioned between the

Asiago Asiago (; Venetian language, Venetian: ''Axiago'', Cimbrian: ''Slege'', German language, German: ''Schlägen'' ) is a minor township (population roughly 6,500) with the title of ciin the surrounding plateau region (the ''Altopiano di Asiago'' o ...

plateau and the

Carnic Alps The Carnic Alps (; ; ; ) are a range of the Southern Limestone Alps in Austria and northeastern Italy. They are within Austrian East Tyrol and Carinthia, and Italian Friuli (Province of Udine) and marginally in Veneto. Etymology They are ...

. During the Caporetto disaster, it had to withdraw to the Mount Grappa massif, where it won the defensive battle of Mount Grappa. It then participated in the successful

Battle of the Piave River The Second Battle of the Piave River (or Battle of the Solstice), fought between 15 and 23 June 1918, was a decisive victory for the Italian Army against the Austro-Hungarian Empire during World War I, as Italy was part of the Allied Forces, whi ...

(June 1918) and

Battle of Vittorio Veneto The Battle of Vittorio Veneto was fought from 24 October to 3 November 1918 (with an armistice taking effect 24 hours later) near Vittorio Veneto on the Italian Front during World War I. After having thoroughly defeated Austro-Hungarian troops ...

(October–November 1918). Its commanders were : * Luigi Nava (May 1915 - September 1915) *

Mario Nicolis di Robilant Mario Nicolis di Robilant (Torino, 28 April 1855 – Roma, 23 July 1943) was an Italian general of the Kingdom of Italy who actively participated in the World War I, mostly at the head of the Italian Fourth Army that won the first and second batt ...

(September 1915 - February 1918) *

Gaetano Giardino Gaetano Giardino (24 January 1864 – 21 November 1935) was an Italian soldier who rose to the rank of Marshal of Italy and Italian Representative to the Allied War Council during World War I.http://www.montegrappa.org/grande_guerra/giardino_gaet ...

(April 1918 - December 1918)

World War II

At the beginning of World War II, the 4th Army was one of three armies that made up Army Group West commanded by Prince General Umberto di Savoia. Together with the

Italian First Army The 1st Army () was a Royal Italian Army field army, in World War I, facing Austro-Hungarian and German forces, and in World War II, fighting on the North African front. World War I During World War I, the 1st Army bore the responsibility of a ...

and the Italian Seventh Army (kept in reserve), the 4th Army attacked French forces during the

Italian invasion of France The Italian invasion of France (10–25 June 1940), also called the Battle of the Alps, was the first major Fascist Italy, Italian engagement of World War II and the last major engagement of the Battle of France. The Italian entry into the war ...

.
After the

Franco-Italian Armistice The Franco-Italian Armistice, or Armistice of Villa Incisa, signed on 24 June 1940, in effect from 25 June, ended the brief Italian invasion of France during the Second World War. On 10 June 1940, Italy declared war on France while the latter wa ...

, the 4th Army occupied a small zone of France, which was enlarged in November 1942, when during

Case Anton Case Anton () was the military occupation of Vichy France carried out by Germany and Italy in November 1942. It marked the end of the Vichy regime as a nominally independent state and the disbanding of its army (the severely-limited '' Armisti ...

the Italians occupied all of southeastern France and Corsica.
After the

Armistice of Cassibile The Armistice of Cassibile ( Italian: ''Armistizio di Cassibile'') was an armistice that was signed on 3 September 1943 by Italy and the Allies, marking the end of hostilities between Italy and the Allies during World War II. It was made public ...

in September 1943, the 4th Army surrendered to the Germans. Its commanders were : *

Camillo Grossi Camillo Grossi (Grosseto, 30 September 1876 – Turin, 16 June 1941) was an Italian general during the interwar period and World War II. He was also a member of the Italian Senate from 5 April 1939 until his death in office in 1941. Biograph ...

(1938 – 1940) *

Mario Vercellino Mario Vercellino (10 February 1879 – 11 July 1961) was an Italian general during World War II. Biography Vercellino was born in Asti in 1879 and began his military career as artillery second lieutenant in 1898. After attending the War S ...

(1940 – 1940) *

Alfredo Guzzoni Alfredo Guzzoni (12 April 1877 – 15 April 1965) was an Italian military officer who served in both World War I and World War II. Early life Guzzoni was a native of Mantua, Italy. Military career Guzzoni joined the Italian Royal Army ('' Re ...

(1940 – 1940) *

Mario Caracciolo di Feroleto Mario Caracciolo, Baron of Feroleto (Naples, 26 February 1880 – Rome, 21 December 1954) was an Italian general during World War II. Biography Caracciolo began his military career as an artillery Second Lieutenant in 1899, attending the W ...

(1940 – 1941) *

(1941 – 1943)

Composition (1940)

* I Army Corps * IV Army Corps *

Alpine Army Corps The Comando Truppe Alpine (Alpine Troops Command) or COMTA (formerly also COMALP) commands the Mountain Troops of the Italian Army, called ''Alpini'' (singular: ''Alpino'') and various support and training units. It is the successor to the ''4º ...

Composition (1942–1943)

* I Army Corps * XV Army Corps * XXII Army CorpsRegio Esercito
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References

{{Large formations of Italy in World War II Field armies of Italy in World War I Field armies of Italy in World War II