sentences:  Kalchev graduated at a gymnazium in Sofia and then at the Leipzig University.Later he went back to Bulgaria, where he graduated also at a military officer's school in Sofia.The 4th of August Regime in Greece (1936 to 1941) under the leadership of General Ioannis Metaxas was firmly opposed to the pro-Bulgarian factions of the Slavophones of northern Greece, some of whom underwent political persecution due to advocacy of irredentism with regard to neighboring countries.