tikvesh uprising (, , ) was an uprising in the tikveš region of macedonia in late june 1913. it was organized by internal macedonian revolutionary organization (imro) against the serbian troops in vardar macedonia during the second balkan war. imro acted in close coordination with the bulgarian army, which troops at the time were located on the left bank of the vardar river. the rebellion started prematurely on june 15, 1913, after the secret uprising conspiracy had been revealed by the local serbian authorities. the organisers had planned to start armed resistance against the oppressors after the bulgarian army had begun operations in the region.