I STRONGLY RECOMMEND THIS NATGEO DOC' ON EINSATZGRUPPE AND THE HIDDEN HOLOCAUST.
MORE JEWS IN THE SOVIET UNION WERE MURDERED BY THE NAZIS IN ONE MONTH IN 1941 THEN BLACKS WERE LYNCHED FROM 1865 TO 1965.
In Kovno 1,500 Jews were killed on the night of 25 June and 2,300 on the 26 June 1941.WIKI ON LYNCHINGS:
The following graph gives the number of lynchings and racially motivated murders in each decade from 1865 to 1965. Data for 1865–1869 and 1960-1965 are partial decades.