Ottoman military campaign lasted for a mere 3 weeks from 20 July 1913 to 10 August 1913. According to Carnegie Commission 15.960 Bulgarians were "either killed burned in the houses or scattered among the mountains" and several thousands more were massacred in Western Thrace within this period. There were also Bulgarians in Anatolia concentrated around Marmara Region.
The Ottoman military operation lasted just 3 weeks from July 20, 1913 to August 10, 1913. According to the Carnegie Commission, approximately 15,960 Bulgarians were "either killed, burned in their homes or dispersed into the mountains" and several thousands more were massacred in Western Thrace during this time. There were also Bulgarian civilians concentrated around the Marmara Region in Anatolia.