The Romanian campaign was part of the Balkan theatre of World
War I, with Romania and Russia allied against the armies of the
Central Powers. Fighting took place from August 1916 to December
1917, across most of present-day Romania, including
Transylvania, which was part of the Austro-Hungarian Empire at
the time, as well as southern Dobruja, which is currently part
of Bulgaria. Romania entered the war in an attempt to seize
Transylvania, a historical province of Hungary with a majority-
Romanian population. Despite initial successes, the combined
Russo-Romanian forces suffered several setbacks and by the end
of 1916 only Moldavia remained under Allied control. After
several defensive victories in 1917, the Allied front collapsed
when the Bolsheviks took Russia out of the war and Romania, left
surrounded by the Central Powers, signed an armistice at
Focşani. On November 10, 1918, just one day before the German
armistice and when all the other Central Powers had already
capitulated, Romania belatedly re-entered