Battle_of_Cer (Wikipedia)
Battle of Cer
Part of the Serbian Campaign of the Balkans Theatre of the First World War
Battle of Cer.jpg
A map depicting the initial Austro-Hungarian invasion of Serbia, August 1914.
Date 15–24 August 1914
Location Cer Mountain and surrounding towns and villages in the northwestern portion of the Kingdom of Serbia
Result Decisive Serbian victory
 Austria-Hungary  Serbia
Commanders and leaders
Oskar Potiorek
Units involved
~200,000 soldiers ~180,000 soldiers
Casualties and losses
  • 6,000–10,000 killed
  • 30,000 wounded
  • 4,500 captured
  • 3,000–5,000 killed
  • 15,000 wounded

The Battle of Cer was fought between Austria-Hungary and Serbia in August 1914 during the early stages of the Serbian Campaign of the First World War. It took place around Cer Mountain and several surrounding villages, as well as the town of Šabac.

The battle, part of the first Austro-Hungarian invasion of Serbia, began on the night of 15 August when elements of the Serbian 1st Combined Division encountered Austro-Hungarian outposts that had been established on the slopes of Cer Mountain earlier in the invasion. The clashes that followed escalated into a battle for control over several towns and villages near the mountain, especially Šabac. On 19 August, the morale of the Austro-Hungarians collapsed and thousands of soldiers retreated back into Austria-Hungary, many of them drowning in the Drina River as they fled in panic. On 24 August the Serbs re-entered Šabac, marking the end of the battle. Serbian casualties after nearly ten days of fighting were 3,000–5,000 killed and 15,000 wounded. Those of the Austro-Hungarians were significantly higher, with 6,000–10,000 soldiers killed, 30,000 wounded and 4,500 taken as prisoners of war. The Serb victory over the Austro-Hungarians marked the first Allied victory over the Central Powers in the First World War, and the first aerial dogfight of the war took place during the battle.

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