First Balkan War

The First Balkan War was a four-year conflict that took place in the Balkans, during Episode VI of Varna.
Sides	"Red" 	"Blue" 	"Green" 	"Yellow" 	RESULT
Sides	Bosnia, Serbia	Ragusa, Italian League	Bulgaria	Wallachia, Byzantium, Prilep	"Blue" & "Yellow" victory
The conflict began as the First Adriatic War when Bosnia and Serbia attempted an invasion of Ragusa in December 1479, resulting in an intervention by the Italian League to defend Ragusa. The initial phase of the war saw a swift Serbo-Bosnian conquest of the League's Balkan holdings, as well as besieging a few coastal cities, including Ragusa's capital of Dubrovnik. Naples saw that few troops were defending Zeta, so they launched an invasion, which saw little success. However, this drew the Bosnians away from northern Dalmatia, allowing Venice to land there.
The First Adriatic War expanded into the First Balkan War in the early winter of 1480, when the Tsardom of Bulgaria began invading Serbia from the east. The Italian League took the opportunity to invade Bosnia from the northern Adriatic Sea, through 1481. Almost exactly a year after Bulgaria joined, Wallachia and Byzantium joined in the conflict, invading the distracted Bulgaria which was sandwiched between them. In 1482, a Macedonian rebellion broke out and joined forces with the Byzantines to their south.
In early 1483, three capitals fell almost at the same time; first Bulgaria seized the Serbian capital of Beograd, next the Venetians captured the Bosnian capital of Sarajevo, and then the Wallachians besieged and then stormed the Bulgarian capital of Sofia. Bosnia, Serbia and Bulgaria surrendered, and the conflict was ended when the Treaty of Niš was signed on December 7th, 1483:
# Bosnia shall cede:
#* Bosnian Dalmatia to Venice
#* Travunia to Ragusa
# Serbia shall cede:
#* Zeta to Naples
#* Kosovo to Venice
# Serbia shall release the Kingdom of Prilep.
# Bulgaria shall cede:
#* Eastern Macedonia to Prilep
#* Western Thrace to Byzantium
#* Southern Dobruja to Wallachia
# Bulgaria shall be split into the Kingdom of Tarnovo and the Principality of Varna.