From 17 September 1912 , the Bulgarian army mobilized about 600,000 people and 700 guns .
The war began after the controversy between the allied Balkan countries Bulgaria , Serbia , Montenegro , Greece and the Ottoman Empire could not be resolved by political and diplomatic means .
From 17 September 1912 , the Bulgaria army mobilized about 600,000 people and 700 guns .
The war began after the controversy between the allied Balkan countries Bulgaria , Serbia , Montenegro , Greece and the Ottoman Empire could not be resolved by political and diplomatic means .