~How much time?~
Plundering the Judengasse (= Jewish Street) in Frankfurt am Main on 22 August 1614. Russian "pogroms" are quite a novel thing. It has started in earlier 19th century (coincidentally after incorporation of Poland into Russia) and most if not all the anti-Semitic violence in Russian Empire was contained to either Ukraine or Poland. An idea behind the alliance of the German Nazi and Ukrainian nationalists during WWII was mostly a shared belief that Bolshevism is a Jewish plot to ruin their civilizations.
HAHAHAHAHAHA
Most if not all the antisemetic violence in the Russian empire was confined to Ukraine and Poland because JEWS WERE FORBIDDEN TO LIVE IN MOTHER RUSSIA PROPER and were confined to the Jewish Pale of Settlement.
Meanwhile the Tsarist government did everything in its power to pit the local peasants against the Jews, and would periodically foment pogroms and send in the Tsarist Imperial Cossacks as the enforcers. It was the Tsarist GOVERNMENT that wrote the Protocols of Zion.