The Battle of Bucharest, also known as the Argeş

Arges

Arges was one of the Cyclopes in Greek mythology. He was elsewhere called Acmonides or Pyraemon. His name means 'bright' and represents the brightness from lightning....

-Neajlov Defensive Operation in Romania

Kingdom of Romania

The Kingdom of Romania was the Romanian state based on a form of parliamentary monarchy between 13 March 1881 and 30 December 1947, specified by the first three Constitutions of Romania...

, was an important battle of the Romanian Campaign in World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

, in which the Central Powers

Central Powers

The Central Powers were one of the two warring factions in World War I , composed of the German Empire, the Austro-Hungarian Empire, the Ottoman Empire, and the Kingdom of Bulgaria...

 occupied the Romanian capital and forced the Romanian Government, as well as the remnants of the Romanian Army to retreat to Moldova

Moldova

Moldova , officially the Republic of Moldova is a landlocked state in Eastern Europe, located between Romania to the West and Ukraine to the North, East and South. It declared itself an independent state with the same boundaries as the preceding Moldavian Soviet Socialist Republic in 1991, as part...

 and re-establish its capital at Iaşi

Iasi

Iași is the second most populous city and a municipality in Romania. Located in the historical Moldavia region, Iași has traditionally been one of the leading centres of Romanian social, cultural, academic and artistic life...

. The sheer number of troops involved, as well as the large area of operations, make it one of the most complex battles fought on Romanian soil during the war.

Bucharest was eventually liberated after the Central Powers' surrender in 1918.