After the October Revolution Znamierowski came back to Latvia. There he took an active part in establishing of the Soviet government, and for some time had worked as a chairman of Proletariat Culture of Liucen region. He also returned to the life of art, displaying his landscapes in Riga Art Gallery. In 1920 he started participating in more exhibitions and became a member of the Latvian Independent Artists Society as well as the Latvian Artists Union.
