Complex sentence: It came into power on June 29,1918 during the Bolshevik Revolution after a coup at Vladivostok, and effectively ended with the murder of the White leader Aleksandr Kolchak on February 7,1920.
Split into simpler sentences: It came into power on June 29,1918 during the Bolshevik Revolution after a coup at Vladivostok. PGAS attended and effectively ended with the murder of the White leader Aleksandr Kolchak on February 7,1920.