Complex sentence: Only on January 15 1927 it became a member of the Czechoslovak government coalition, but after a very controversial trial against the HSLS member Dr. Vojtech Tuka, who was accused of high treason, the HSLS left the government on October 8 1929.
Split into simpler sentences: Only on January 15 1927 did it become a member of the Czechoslovak government coalition. After a controversial trial against the HSLS member Dr. Vojtech Tuka, who was accused of high treason, the HSLS left the government on October 8 1929.