| 1912–1913
 1913
 Neutrality 1914
 1915
   | Commanders  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
 Field Armies Battles 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
 | Commanders  Bulgaria
 Nikola Zhekov • Panteley Kiselov • Stefan Toshev • Todor Kantardzhiev • Ivan Kolev
 Entente:
  Romania:
Constantin Prezan • Alexandru Averescu; 
  Russia: Andrei Zayonchkovski • Vladimir Sakharov
 Field Armies Battles 1916
 Battle of Turtucaia • Battle of Bazargic • First Cobadin • Flămânda Offensive • Second Cobadin • Battle of Bucharest
 Outcome 1918
Treaty of Brest-Litovsk • Armistice of Focșani • Treaty of Bucharest • Protocol of Berlin
 Outcome
 Others
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