 They drew their support mainly from the impoverished and persecuted working-class Jews of the "Pale"-the places on the Western borders of the Russian Empire where Jews were "allowed" to live.The Chernoe Znamia made their first attack in 1904, when Nisan Farber, a devoted member of the group, stabbed a strike-breaking industrialist on the Jewish Day of Atonement.The Chernoe Znamia, Left SRs and Zionists of Bialystock congregated inside a forest to decide their next action.