Besides events in central Asia, to which he had to devote much attention, the Herzegovinian insurrection had broken out, and he could perceive from secret official papers that the incident had far-reaching ramifications unknown to the general public. Soon this became apparent to all the world.
The tension thus produced between the two statesmen was increased by the political complications of 18 751878 in south-eastern Europe, which began with the Herzegovinian insurrection and culminated at the Berlin congress.
Vuk Stefanovich Karajich called the first dialect the " South-Western or Herzegovinian dialect," the second the " Syrmian," the third the " Ressava " dialect.