Timeline of Soviet Union (1917-1991) As part of the Visual Timeline series 1917: xx xx Additional reference: Sketches used by the Soviet police to identify suspects based on ethnicity, 1960s. Source See also: Visual Timeline Series Share:Click to share on Pocket (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)