Bloody Wednesday (Poland)

Bloody Wednesday
Part of Revolution in Poland (1905-1907)
Proclamation issued by the Polish Socialist party after Bloody Wednesday
LocationVarious cities, Congress Poland
Date15th August 1906
TargetRussian officials
DeathsApproximately 200 in total (80 officials, over 100 civilians)
Injured43 or 69 officials injured
PerpetratorOB PPS
MotivePolitical Repression in Poland (1795-1918)
Anti-Russian sentiment
Revolution in Poland (1905-1907)

Bloody Wednesday (Polish: Krwawa środa) refers to the events of 15 August 1906 in the (Congress) Kingdom of Poland, where the Combat Organization of the Polish Socialist Party (OB PPS) carried out a series of attacks on Russians, primarily police officers and informants. This took place in the context of the Revolution in the Kingdom of Poland (1905–1907), and represented one of the biggest actions in the history of OB PPS.