In December 1914, the Serbian Army achieved a decisive victory by recapturing Belgrade, the capital of Serbia, from the invading Austro-Hungarian forces. This event was part of a larger series of conflicts in the Balkans that unfolded during World War I. The Austro-Hungarian Army had initially invaded Serbia in August 1914, aiming to crush Serbian resistance quickly. However, the guerrilla tactics and determination of the Serbian troops led to prolonged engagements that strained Austro-Hungarian resources and morale.

As winter set in, the harsh conditions further complicated the Austro-Hungarian military's efforts. The Serbian soldiers, bolstered by local support and strategic use of the city's terrain, were able to launch a concerted counteroffensive. This involved a series of attacks on various fronts, culminating in the successful push to reclaim Belgrade. The urban warfare was fierce, with close-quarters combat bringing the two armies into direct confrontation within the city's streets.

The recapture of Belgrade not only served as a strategic military win for Serbia but also had profound implications for national pride and unity. The victory energized the Serbian population, galvanizing support for the war effort. It was a critical moment that underscored Serbia's resilience against a much larger adversary, contributing to the narrative of small nations resisting imperial powers during World War I.