 Complete the following phrase:  In 1868 it was the place of the final battle between Bulgarian rebels led by Hadzhi Dimitar and Stefan Karadzha and forces of the Ottoman Empire. On 31 July, Hadzhi Dimitar and a band of 30 chetniks fought a losing battle against 700 Ottoman troops; only four Bulgarians survived. Their action served as an inspiration for the Liberation of Bulgaria from the Ottomans ten years later; the decisive battle of that conflict was fought a few miles away 