The Romanian Debacle 1917 Campaign Bessarabia Romania rejoins the war aftermath The First Battle of Cobadin, also known as the First Battle of the Rasova–Cobadin–Tuzla Line, was fought from 17 to 19 of September 1916 between the Bulgarian Third Army and the Romanian–Russian Army of the Dobruja.

The battle ended in Entente tactical victory and forced the Central Powers to hold their offensive and assume a defensive stance till the middle of October.

The right flank of the Allied forces was supported by the Romanian Navy's Danube Flotilla, consisting mainly of four Brătianu-class river monitors.

These warships blocked with mines the river sectors of Silistra, Ostrov, and Gura Borcea, protected the 8 September evacuation of Silistra, attacked enemy land convoys, and destroyed enemy batteries.

[3] 1912–1913 1913 1914 1915 Bulgaria Nikola Zhekov • Kliment Boyadzhiev • Dimitar Geshov • Georgi Todorov • Ivan Lukov • Stefan Nerezov • Vladimir Vazov Entente: Serbia: Radomir Putnik • Živojin Mišić • Stepa Stepanović • Petar Bojović • Pavle Jurišić Šturm;  France: Maurice Sarrail • Adolphe Guillaumat • Louis Franchet d'Espèrey;  United Kingdom: Bryan Mahon • George Milne;  Kingdom of Greece: Panagiotis Danglis 1915 Morava Offensive • Ovče Pole Offensive • Kosovo offensive (1915) • Battle of Krivolak 1916 First battle of Doiran • Battle of Florina (Lerin) • Struma operation • Monastir offensive 1917 Second battle of Doiran • 2nd Crna Bend • Second battle of Monastir 1918 Battle of Skra-di-Legen • Battle of Dobro Pole • Third battle of Doiran Bulgaria Nikola Zhekov • Panteley Kiselov • Stefan Toshev • Todor Kantardzhiev • Ivan Kolev Entente: Romania: Constantin Prezan • Alexandru Averescu;  Russia: Andrei Zayonchkovski • Vladimir Sakharov 1916 Battle of Turtucaia • Battle of Bazargic • First Cobadin • Flămânda Offensive • Second Cobadin • Battle of Bucharest 1918 Treaty of Brest-Litovsk • Armistice of Focșani • Treaty of Bucharest • Protocol of Berlin Outcome Others