https://yivoencyclopedia.org/article.aspx/Rostov-on-Don "With the establishment of Soviet authority, the local Evsektsiia in the 1920s promoted the closure of Jewish institutions; it also persecuted Zionist and religious leaders, above all, Yosef Yitsḥak Shneerson. The Tomkhe Temimim yeshiva, initially closed in 1921, survived clandestinely until May 1924, when Yosef Yitsḥak was compelled to move to Leningrad."
