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Balkans theatre | |||||||
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Part of the European theatre of World War I | |||||||
Serbian troops during the opening of the war c. 1914 | |||||||
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Central Powers: Germany (from 1915) Ottoman Empire (1916–1917) | Allied Powers:
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Serbian campaign: Macedonian front: |
The Balkans theatre or Balkan campaign was a theatre of World War I fought between the Central Powers (Austria-Hungary, Bulgaria, Germany and the Ottoman Empire) and the Allies (Serbia, Montenegro, France, the United Kingdom, Russia, Italy, and later, Greece).
The offensive began in 1914 with three failed Austro-Hungarian offensives into Serbia. A new attempt a year later by the combined forces of Austria-Hungary, Germany, and Bulgaria led to the conquest and occupation of Serbia and Montenegro. [17] The Serbian military did not surrender, retreating through the mountains of Albania and evacuated to Corfu before reforming in Salonika a few months later. On the Macedonian front, the Royal Serbian Army joined the Franco-British Allied Army of the Orient and fought a protracted trench war against Bulgarian and German forces. The Allied army presence in Greece resulted in the National Schism on whether Greece should join the Allies or remain neutral, which would benefit the Central Powers. Greece eventually joined the Allied Powers in 1917. In September 1918, the Vardar Offensive had broken through the Bulgarian lines, forcing them to surrender. Serbia, Albania and Montenegro's liberation soon followed.
The prime cause of the war was hostility between Serbia and Austria-Hungary. Serbia held out against Austria-Hungary for over a year before being defeated in late 1915 during the Serbian campaign.
Dalmatia was a strategic region during the war that Italy and Serbia intended to seize from Austria-Hungary. Italy entered the war upon agreeing to the 1915 Treaty of London, which promised them a substantial portion of the territory. However, the nation was granted only a small part of Dalmatia in the 1919 Treaty of Versailles, leading to discontent among the Italian populace. This resentment, coupled with a desire to restore national pride, provided fertile ground for the emergence of fascist ideology under the leadership of Benito Mussolini. Mussolini's promise to rejuvenate Italy and return it to a position of power resonated with many Italians contributing to the rise of his "Fasces of Combat" in the country.
During World War I, the retreating Serbian troops fled to Albania, prompting the Central Powers to invade Albania. To aid the Serbian forces, Italian transport ships in the Adriatic Sea helped evacuate them to Corfu and other Greek islands before being relocated to Thessaloniki. Meanwhile, the Allies landed in neutral Greece and formed the Macedonian front. In 1917, Greece joined the war on the Allies side, and the multinational Allied Army of the Orient, stationed in northern Greece, launched an offensive in 1918. The offensive resulted in Bulgaria seeking a peace treaty, the recapture of Serbia, and a halt only at the border of Hungary in November 1918.
The Serbian forces defended against the larger Austro-Hungarian Army due to a Russian invasion from the north. In 1915, Austria-Hungary placed additional soldiers on the southern front and brought Bulgaria as an ally for the Central Powers.
Soon, the Serbian military was attacked from the north and the east, forcing a retreat to Greece. Despite the loss, the retreat was successful, and the Serbian military remained operational in Greece with a newly-established base.
Before direct intervention in the war, Italy had occupied the port of Vlorë in Albania in December 1914. [18] Upon entering the war, Italy spread its occupation to the region of southern Albania beginning in the Autumn of 1916. [18] Italian forces in 1916 recruited Albanian irregulars to serve alongside them. [18] Italy, with the permission of Allied command, occupied Northern Epirus on August 23, 1916, forcing the Greek military to withdraw its occupation forces in the area. [18]
In June 1917, Italy proclaimed central and southern Albania to be a protectorate of Italy. Northern Albania was allocated to the states of Serbia and Montenegro. [18] By October 31, 1918, French and Italian forces had expelled the Austro-Hungarian military from Albania. [18]
Dalmatia was a strategic region during World War I that Italy and Serbia intended to seize from Austria-Hungary. Italy joined the Allies in 1915 upon agreeing to the London Pact, which guaranteed it the right to annex a large portion of Dalmatia in exchange for Italy's participation on the Allied side. From November 5 to 6, 1918, Italian forces were reported to have reached Lissa, Lagosta, Sebenico, and other localities on the Dalmatian coast. [19]
By the end of hostilities in November 1918, the Italian military had seized control of the entire portion of Dalmatia that had been guaranteed to Italy by the London Pact and by the 17th had captured Fiume as well. [20] In 1918, Admiral Enrico Millo declared himself Italy's Governor of Dalmatia. [20] The famous nationalist Gabriele d'Annunzio supported the seizure of Dalmatia and proceeded to Zadar in an Italian warship in December 1918. [21]
In the aftermath of the Balkan Wars, Bulgarian opinion turned against Russia and the Western powers, whom the Bulgarians felt had done nothing to help them.[ citation needed ] Russia blamed Bulgaria for breaking up the alliance it had forged and for starting the Second Balkan War against its former allies and now looked to Serbia as a more reliable Slavic ally against Austria-Hungary. [22] The Bulgarian government aligned itself with Germany and Austria-Hungary, even though this meant also becoming an ally of the Ottomans, Bulgaria's traditional enemy. Bulgaria could no longer hold claims against the Ottomans, but Serbia, Greece, and Romania (allies of Britain and France) still held lands the Bulgarians perceived as Bulgarian.
Bulgaria, recuperating from the Balkan Wars, sat out the first year of World War I. When Germany promised Bulgaria all of Serbian Macedonia, parts of northeastern Serbia, as well as a new loan of 200,000,000 gold francs, [23] Bulgaria declared war on Serbia in October 1915. Britain, France and Italy then declared war on Bulgaria.
Although Bulgaria, allied with Germany and Austria-Hungary, won military victories against Serbia and Romania: occupying much of Southern Serbia (taking Nish, Serbia's war capital on November 5), advancing into Greek Macedonia. They were assisted by the IMRO who joined the Bulgarian army as the 11th Macedonian Infantry Division. Bulgaria later took Dobruja from the Romanians in September 1916, the war soon became unpopular with the majority of Bulgarian people, who had suffered enormous economic hardship. The Russian Revolution of February 1917 had a significant effect in Bulgaria, spreading antiwar and anti-monarchist sentiment among the troops and in the cities.
In September 1918, a collective group of Serbian and Allied forces broke through on the Macedonian front in the Vardar Offensive. While Bulgarian forces stopped them in Dojran, Tsar Ferdinand was forced to sue for peace.
To head off the revolutionaries, Ferdinand abdicated in favour of his son Boris III. The revolutionaries were suppressed successfully, and their forces disbanded. Under the Treaty of Neuilly (November 1919), Bulgaria lost its Aegean coastline in favour of the Principal Allied and Associated Powers (transferred later by them to Greece) and nearly all of its Macedonian territory to the new state of Yugoslavia, and had to give Dobruja back to the Romanians (see also Dobruja, Western Outlands, Western Thrace).
Following the start of World War I the Kingdom of Greece was politically split between joining the war and being neutral, led by the Pro-Entente Venizelos and the pro-Central Powers King Constantine. Following the conquest of Serbia Venizelos allowed the Allies into Thessaloniki leading to the creation of the Macedonian front. Following this Venizelos set up the Provisional Government of National Defence in Allied-controlled North Greece. [24] The Allies and the Provisional Government of National Defence clashed during the Noemvriana.
The inability of the Kingdom of Greece to join World War I against the Central Powers lead the United Kingdom and France to recognize the Provisional Government of National Defence as the legitimate government of Greece, and blockaded Greece. In June, 1917 the French captured Thessaly and King Constantine fled Greece and Venizelos re-entered Athens, declaring war on the Central Powers in July. [24]
In 1915, the Austro-Hungarians gained the support of Germany and allied with Bulgaria. Serbian forces were attacked from both north and south, forcing them to retreat through Montenegro and Albania, with only 155,000 Serbs, mainly soldiers, reaching the coast of the Adriatic Sea and evacuating to Greece by Allied ships.
The Macedonian front stabilized roughly around the Greek border after the intervention of a Franco-British-Italian force that had landed in Salonica. The German generals had not let the Bulgarian army advance toward Salonica because they hoped to persuade the Greeks to join the Central Powers.
In 1918, after a prolonged build-up, the Allies, under French General Franchet d'Esperey, led a combined French, Serbian, Greek and British army attack out of Greece. His initial victories convinced the Bulgarian government to sue for peace. He then attacked the north and defeated the German and Austro-Hungarian forces that tried to halt his offensive.
By October 1918, having recaptured all of Serbia his forces prepared to invade Hungary proper until the Hungarian leadership offered to surrender in November 1918, halting the offensive.
The French and British each kept six divisions on the Greek frontier from 1916 to late 1918. The French and British went to Greece to help Serbia, but with Serbia's conquest in the fall of 1915, their continued presence there did not have an effect, so they relocated their forces to the Western Front.
In mid-1918, led by General Franchet d'Esperey, those forces were added to in order to conduct a major offensive on the south flank of the Central Powers (8 French divisions, 6 British divisions, 1 Italian division, 12 Serbian divisions). [25] After the successful offensive launched on September 10, 1918, they freed Belgrade, forcing Bulgaria to an armistice on September 29, threatening Austria-Hungary (which accepted an armistice on November 4, 1918) and the German political leadership.
The historian John Keegan argued that "the installation of a violently nationalist and anti-Turkish government in Athens led to Greek mobilization in the cause of the "Great Idea" - the recovery of the Greek Empire in the east - which would complicate the Allied effort to resettle the peace of Europe for years after the war ended." [26]
The Balkan Wars were a series of two conflicts that took place in the Balkan states in 1912 and 1913. In the First Balkan War, the four Balkan states of Greece, Serbia, Montenegro and Bulgaria declared war upon the Ottoman Empire and defeated it, in the process stripping the Ottomans of their European provinces, leaving only Eastern Thrace under Ottoman control. In the Second Balkan War, Bulgaria fought against the other four original combatants of the first war. It also faced an attack from Romania from the north. The Ottoman Empire lost the bulk of its territory in Europe. Although not involved as a combatant, Austria-Hungary became relatively weaker as a much enlarged Serbia pushed for union of the South Slavic peoples. The war set the stage for the July crisis of 1914 and thus served as a prelude to the First World War.
The League of the Balkans was a quadruple alliance formed by a series of bilateral treaties concluded in 1912 between the Eastern Orthodox kingdoms of Greece, Bulgaria, Serbia and Montenegro, and directed against the Ottoman Empire, which still controlled much of Southeastern Europe.
The Allies, the Entente or the Triple Entente was an international military coalition of countries led by France, the United Kingdom, Russia, the United States, Italy, and Japan against the Central Powers of Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria in World War I (1914–1918).
The Serbian campaign was a series of military expeditions launched in 1914 and 1915 by the Central Powers against the Kingdom of Serbia during the First World War.
The Macedonian front, also known as the Salonica front, was a military theatre of World War I formed as a result of an attempt by the Allied Powers to aid Serbia, in the autumn of 1915, against the combined attack of Germany, Austria-Hungary and Bulgaria. The expedition came too late and with insufficient force to prevent the fall of Serbia and was complicated by the internal political crisis in Greece. Eventually, a stable front was established, running from the Albanian Adriatic coast to the Struma River, pitting a multinational Allied force against the Bulgarian army, which was at various times bolstered with smaller units from the other Central Powers. The Macedonian front remained stable, despite local actions, until the Allied offensive in September 1918 resulted in Bulgaria capitulating and the liberation of Serbia.
The Kosovo offensive of 1915 was a World War I offensive launched as part of the Serbian campaign of 1915. It involved the Central Powers and the Kingdom of Serbia.
The Battle of Dobro Pole, also known as the Breakthrough at Dobro Pole, was a World War I battle fought between 15 and 18 September 1918. The battle was fought in the initial stage of the Vardar Offensive, in the Balkans Theatre. On 15 September, a combined force of Serbian, French and Greek troops attacked the Bulgarian-held trenches in Dobro Pole, at the time part of the Kingdom of Serbia. The offensive and the preceding artillery preparation had devastating effects on Bulgarian morale, eventually leading to mass desertions.
The Kingdom of Bulgaria participated in World War I on the side of the Central Powers from 14 October 1915, when the country declared war on Serbia, until 30 September 1918, when the Armistice of Salonica came into effect.
At the outbreak of World War I in August 1914, the Kingdom of Greece remained neutral. Nonetheless, in October 1914, Greek forces once more occupied Northern Epirus, from where they had retreated after the end of the Balkan Wars. The disagreement between King Constantine, who favoured neutrality, and the pro-Allied Prime Minister Eleftherios Venizelos led to the National Schism, the division of the state between two rival governments. Finally, Greece united and joined the Allies in the summer of 1917.
The Noemvriana of December [O.S. November] 1916, or the Greek Vespers, was a political dispute which led to an armed confrontation in Athens between the royalist government of Greece and the forces of the Allies over the issue of Greece's neutrality during World War I.
The Vardar offensive was a World War I military operation, fought between 15 and 29 September 1918. The operation took place during the final stage of the Balkans Campaign. On 15 September, a combined force of Serbian, French, and Greek troops attacked the Bulgarian-held trenches in Dobro Pole, at the time part of Serbia. The assault and the preceding artillery preparation had devastating effects on Bulgarian morale, eventually leading to mass desertions.
In World War I, Albania had been an independent state, having gained independence from the Ottoman Empire on 28 November 1912, during the First Balkan War. It was recognised by the Great Powers as the Principality of Albania, after Turkey officially renounced all its rights in May 1913. Being a fledgling new country, it quickly unravelled and just a few months after taking power, its German ruler, Prince Wilhelm, was forced to flee. After World War I broke out, anarchy took hold of the country as tribes and regions rebelled against central rule. To protect the Greek minority, Greek control was established in the southern districts replacing the Northern Epirote units beginning in October 1914. In response to this, Italy, although officially neutral at the time, also sent troops into the port of Vlorë, while Serbia and Montenegro took control of northern regions. In 1915 Serbia was overrun by combined German, Austro-Hungarian, and Bulgarian forces; the Serbian army retreated across the mountain passes of northern Albania, towards the Adriatic. Italian troops drove the Greeks from southern Albania and brought almost all Albanian territory under their control. Austrian forces invaded in June 1916; Austro-Hungarian forces remained in Albania until the end of the war when a multinational Allied force broke through and pushed them out in 1918.
The Battle of Krivolak was a World War I battle, fought between 21 October and 22 November 1915. It was fought in the initial stage of the Macedonian campaign, in the Balkans Theatre. On 21 October, Bulgarian troops attacked the French-held positions near the Strumica rail station, at the time part of the Kingdom of Serbia, starting the battle. Fighting continued until 22 November, when two Serbian divisions failed to capture Skopje, thus rendering the continuation of Entente offensive operations dangerous and forcing the French to evacuate their forces from the region.
The Austro-Hungarian Armed Forces occupied Serbia from late 1915 until the end of World War I. Austria-Hungary's declaration of war against Serbia on 28 July 1914 marked the beginning of the war. After three unsuccessful Austro-Hungarian offensives between August and December 1914, a combined Austro-Hungarian and German offensive breached the Serbian front from the north and west in October 1915, while Bulgaria attacked from the east. By January 1916, all of Serbia had been occupied by the Central Powers.
The Great Retreat, also known in Serbian historiography as the Albanian Golgotha, refers to the retreat of the Royal Serbian Army through the mountains of Albania during the 1915–16 winter of World War I.
The Battle of Kosturino was a World War I battle fought between 6 and 12 December 1915. It was fought in the initial stage of the Macedonian campaign, in the Balkans Theatre. On 6 December, Bulgarian troops attacked the French and British-held trenches in Kosturino, at the time part of the Kingdom of Serbia. Though the early offensive was held in check, on 8 December, Bulgaria managed to infiltrate the Memesli ravine. Bulgaria then seized Crete Simonet, thus threatening to outflank the Allies. The Entente defeat at Kosturino led to the complete withdrawal of Allied forces from Serbia, thus enabling the Central Powers to build the Berlin to Constantinople rail line. In the meantime, the Allies concentrated on solidifying their defenses in Greece.
The Liberation of Serbia, Albania and Montenegro was a military action in the Balkans in the final weeks of World War I. Between 29 September and 11 November 1918, the Allied Army of the Orient liberated these three countries from occupation by the Central Powers.
Sliven was a Bulgarian prisoner-of-war camp established in Sliven in 1915 with the intent of housing Serbian troops captured during the course of World War I. Over time Greek and Serbian civilians joined their ranks reaching 19,000 at its peak. From 1916 until its dissolution in 1918, the camp served as a punitive institution. Internees suffered from the lack of proper housing conditions, typhus, malnutrition and ill treatment from their guards. This led to the deaths of over 6,000 prisoners.
The Bulgarian occupation of Serbia during World War I started in Autumn 1915 following the invasion of Serbia by the combined armies of Germany, Austria-Hungary and Bulgaria. After Serbia's defeat and the retreat of its forces across Albania, the country was divided into Bulgarian and Austro-Hungarian occupation zones.
The Serbian campaign of 1915 refers to a military campaign carried out by the Central Powers, primarily Germany, Austria-Hungary and Bulgaria, against the Kingdom of Serbia during World War I. The campaign took place from October to November 1915.
There, as a result of his peremptory orders, the Austro-Germans and Bulgarians, reinforced by the Turks have begun a great effort to crush the Serbians and destroy the Franco-British forces before the latter's numbers are augmented by the troops landing daily at Saloniki