Union of Retaliation

Polish Underground State
Part of a series on the
History of Poland 1939–1945
Authorities Government Administration Parliament Courts
Political organizations Major parties Polish Socialist Party People's Party National Party Labour Party Minor parties Camp of National Unity Democratic Party Jewish Labour Bund Hashomer Hatzair Betar (Zionist youth) Opposition National Radical Camp Polish Workers' Party
Military organizations Home Army (AK) Service for Poland's Victory (SZP) Armed Resistance (ZWZ) Gray Ranks National Security Corps (PKB) Mostly integrated with Armed Resistance and Home Army Gwardia Ludowa WRN Peasant Battalions Partially integrated with Armed Resistance and Home Army National Military Organization National Armed Forces Camp of Fighting Poland Pomeranian Griffin Confederation of the Nation Non-integrated but recognizing authority of Armed Resistance and Home Army Jewish Combat Organization Jewish Military Union Opposition Armia Ludowa
Related topics Cultural activities Education History of Poland during 1939–1945

Union of Retaliation (Polish: Związek Odwetu or Z.O.) was a Polish World War II resistance organisation established on 20 April 1940. It was created by General Stefan Rowecki, head of the Armed Resistance, as that organization's branch dedicated to sabotage and covert operations.