Complex sentence: After the Russian revolution in 1917 and the establishment of the Soviet regime Jewish religious life was restricted and by 1935 only one synagogue out of 35 left in Samarkand; nevertheless underground community life continued during the Soviet era.
Split into simpler sentences: After the Russian revolution in 1917 and the establishment of the Soviet regime Jewish religious life was restricted. By 1935 only one synagogue out of 35 was left in Samarkand; nevertheless, underground community life continued during the Soviet era.