Serbian campaign of 1915

The Central Powers’ invasion of Serbia in 1915 overwhelmed Serbian defenses and forced the army, government, and many civilians to retreat through Albania toward the Adriatic.

Austro-Hungarian invasion of Serbia: Austria-Hungary’s military campaigns against Serbia during the First World War. Austro-Hungarian forces attacked from the north and west as the 1915 invasion began.
Serbian Campaign (1914): The 1914 Austro-Hungarian invasion attempts against Serbia, repelled at Cer and Kolubara. Serbia emerged victorious in 1914 but entered the next campaign exhausted and short of supplies.
August von Mackensen: A German field marshal who commanded Central Powers forces in the 1915 Serbian campaign. His command coordinated the northern offensive that overwhelmed Serbia’s defenses.
Serbian occupation (1915–1918): The military occupation of Serbia by the Central Powers from late 1915 until 1918. Serbia’s defeat established an occupation regime while its government and army remained abroad.
Gallipoli campaign: The 1915 Allied campaign to seize the Dardanelles and open a route to Russia. Both campaigns concerned Allied access to the Balkans, but Gallipoli ended in Allied evacuation.
German invasion of Serbia: Germany’s 1915 military offensive against Serbia, conducted alongside Austro-Hungarian forces. German troops crossed the Danube and Sava, adding decisive pressure from the north.
Battle of Kolubara: A December 1914 Serbian victory that drove Austro-Hungarian forces out of Serbia. The victory ended the 1914 invasion, but did not prevent another attack the following year.
Radomir Putnik: A Serbian field marshal and chief of the general staff during the Balkan Wars and World War I. Putnik directed Serbian resistance despite illness and the deteriorating military position.
Salonika front: The Allied front in Macedonia, established in 1915 and maintained until the war’s final year. Serbian forces regrouped there after evacuation and later returned to the front.
Italian Front (World War I): The series of battles between Italy and Austria-Hungary along their shared frontier from 1915 to 1918. Italy’s entry created pressure on Austria-Hungary, but did not prevent its forces from attacking Serbia.

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