Task: Text Categorization
Input (English): The man who called for this meeting had earlier issued a namesake note concerning the treatment of Christians in Ottoman territories. One delegation parleyed their support of another side into the secret Cyprus Convention, and this meeting saw Romania lose South Bessarabia in exchange for Dobruja. Greater Bulgaria was separated into North Bulgaria, Macedon, and Eastern Rumelia at this meeting. Though Serbia, Montenegro, and Romania all gained independence, they all paid with a loss of territory. Turkey was allowed to keep control of its land on Bulgaria's coast on the Aegean, possibly due to no Balkan nations attending. For 10 points, name this 1878 meeting convened to redo the Treaty of San Stefano following the Russo-Turkish War and held in a German city.
Output (English): History