The Balkan Wars were a series of two conflicts that took place in the Balkan states in 1912 and 1913. In the First Balkan War, the four Balkan states of Greece, Serbia, Montenegro and Bulgaria declared war upon the Ottoman Empire and defeated it, in the process stripping the Ottomans of their European provinces, leaving only Eastern Thrace under the Ottoman Empire's control.
The Balkan Wars were two conflicts that occurred in the Balkan states between 1912 and 1913. In the First Balkan War, the four Balkan states of Greece, Serbia, Montenegro, and Bulgaria declared war on the Ottoman Empire and defeated it, resulting in the Ottomans losing their European territories, leaving only Eastern Thrace under Ottoman control.