The following is a list of massacres that have occurred in both historic and modern day areas of Poland (numbers may be approximate):
Massacres until 1939 NameDateLocationPerpetratorsDeathsNotesSack of Sandomierz (1241)13 February 1241SandomierzMongol EmpireThe Mongols massacred almost all residents.Sack of Kraków (1241)March 1241KrakówMongol EmpireThe Mongols massacred almost all residents.Sack of Sandomierz (1260)February 1260SandomierzMongol EmpireThe Mongols massacred almost all residents.Gdańsk massacre13 November 1308Gdańsk Teutonic Knights60–1,000 Polish civiliansGołańcz massacre3 May 1656Gołańcz25+ PolesRemains of 22 adults (incl. six women) and three children were discovered during an archaeological survey in 2014.Kościan massacre of 165610 October 1656Kościan300 Polish inhabitantsMassacre of Maków Mazowieckic. 1656Maków MazowieckiIrregular Polish troops of Stefan CzarnieckiMost of the local Jewish population.The Encyclopedia of Jewish Life Before and During the Holocaust: K-SeredMassacre of Ciechanówc. 1656CiechanówIrregular Polish troops of Stefan CzarnieckiAbout 50 Jewish familiesThe Encyclopedia of Jewish Life Before and During the Holocaust: A-JMassacre of Chmielnikc. 1656ChmielnikIrregular Polish troops of Stefan Czarniecki150 JewsMassacre of Uman20–21 June 1768HumańHaydamaksup to 20,000 Poles, Jews and Uniate UkrainiansMassacre of Praga4 November 1794Praga, Warsaw6,000 Polish people killed or wounded Fiszewo massacre27 January 1832Fiszewo12 PolesGalician slaughterearly 1846Western GaliciaPolish peasantsabout 1,000 noblesWarsaw massacres of 186125–27 February and 8 April 1861WarsawOver 200 Polish protestersBiałaszewo massacre31 March 1863Białaszewo16+ Polish civiliansincluding womenBredynki massacre6 May 1863Bredynki17 Polesfurther 30 people woundedLututów massacre15 June 1863LututówDozens of Polish POWsWygoda massacre21 July 1863Wygoda50 young PolesBiałystok pogrom14–16 June 1906Białystok Black HundredsRussian soldiers81–88 JewsSiedlce pogrom8–10 September 1906Siedlce 26 JewsLwów pogrom of 191427 September 1914Lwów 38–49 JewsMiędzyrzec Podlaski massacre of 191816 November 1918Międzyrzec Podlaski44 PolesLwów pogrom of 191821–23 November 1918Lwów52–150 Jewish victims, up to 340 total. Over 443 injured.Pinsk massacre5 april 1919Pinsk35 JewsMysłowice massacre15 August 1919Mysłowice10 PolesSeven miners, two women and a 13-year-old boyWilno school massacre6 May 1925Wilno (now Vilnius)2 students5 (including themselves)First school shooting in Polish history
Massacres during World War II and communist rule