History of the Jews in Russia abandoning of Jewish dietary laws. Polish Catholic boys were subject to similar pressure to convert and assimilate as the Russian Empire was hostile to Catholicism and Polish nationalism. The cultural and habitual isolation of the Jews gradually began to be eroded. An ever-increasing number of Jewish people adopted Russian language and customs. Russian education was spread among the Jewish population. A number of Jewish-Russian periodicals appeared. Alexander II was known as the "Tsar liberator" for the 1861 abolition of serfdom in Russia. Under his rule Jewish people could not hire Christian servants, could not own land, and were restricted in
Christianity in Russia subscribers in Russia as early as 1887. In 1935, the Watch Tower Society unsuccessfully attempted to establish a branch office in the Soviet Union to support members already there. By 1939, thousands of Jehovah's Witnesses were residing in the Baltic states when the Soviet Union absorbed those formerly independent countries. In the 1940s, the Soviet government forcibly dispersed thousands of Witnesses, in a program named Operation North, later described by Dr. N. S. Gordienko, a professor at Herzen University as having "just the opposite of what was expected; they wanted to weaken the organization of Jehovah's Witnesses in the USSR,