The 4th Army ( it, 4ª Armata) was a

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

and

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

field army of the Royal Italian Army.

World War I

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

Asiago Asiago (; Venetian: ''Axiago'', Cimbrian: ''Slege'', German: ''Schlägen'' ) is a minor township (population roughly 6,500) in the surrounding plateau region (the ''Altopiano di Asiago'' or '' Altopiano dei Sette Comuni'', Asiago plateau) in th ...

plateau and the

Carnic Alps The Carnic Alps ( it, Alpi Carniche; german: Karnische Alpen; sl, Karnijske Alpe; fur, Alps Cjargnelis) are a range of the Southern Limestone Alps in Austria and northeastern Italy. They are within Austrian East Tyrol and Carinthia, and Itali ...

. 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, fought between 15 and 23 June 1918, was a decisive victory for the Italian Army against the Austro-Hungarian Empire during World War I. Though the battle proved to be a decisive blow to the Austro-Hungaria ...

(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 troop ...

(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. At the entry of Italy in the Firs ...

(September 1915 - February 1918) *

Gaetano Giardino Gaetano Giardino (24 January 1864 – 21 November 1935) was an Italian soldier that rose to the rank of Marshal of Italy during World War I.http://www.montegrappa.org/grande_guerra/giardino_gaetano.php a webpage dedicated to Marshal Giardino Lif ...

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

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 Italian engagement of World War II and the last major engagement of the Battle of France. The Italian entry into the war widened its sc ...

.
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 the Italians occupied all of southeastern France and Corsica.
After the Armistice of Cassibile 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. Biogra ...

(1938 – 1940) *

Mario Vercellino Mario Vercellino (Asti, 10 February 1879 – Sanremo, 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 atten ...

(1940 – 1940) * Alfredo Guzzoni (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 Wa ...

(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