Editing Sumy (section)

===World War II===
[[File:Братська могила Лучанське кладовище Суми.jpg|thumb|left|Mass grave of soldiers fallen in World War II]]
During the [[Nazi Germany|German]] occupation of Ukraine during [[World War II]] (1941–1944), Sumy sustained heavy damage and was occupied from 10 October 1941 to 2 September 1943. In February 1942, some 1,000 Jews were murdered in Sumy in two large-scale operations. In May-June that year, the Germans and their Hungarian allies killed an additional several dozen Jews, along with thirty Roma. Some 250 Hungarian Jews were also murdered in Sumy during the occupation period.<ref>[https://collections.yadvashem.org/en/untold-stories/community/14622525 Sumy, Yad Vashem]</ref> The Germans operated a Nazi prison,<ref>{{cite web|url=https://www.bundesarchiv.de/zwangsarbeit/haftstaetten/index.php?action=2.2&tab=7&id=801|title=Gefängnis Sumy|website=Bundesarchiv.de|access-date=26 February 2022|language=de}}</ref> a [[Forced labour under German rule during World War II|forced labour]] battalion for [[Jews]] and Stalag 308 [[German prisoner-of-war camps in World War II|prisoner-of-war camp]] in the city.<ref>{{cite web|url=https://www.bundesarchiv.de/zwangsarbeit/haftstaetten/index.php?action=2.2&tab=7&id=100002303|title=Jüdisches Arbeitsbataillon Sumy|website=Bundesarchiv.de|access-date=26 February 2022|language=de}}</ref><ref>{{cite book|last1=Megargee|first1=Geoffrey P.|last2=Overmans|first2=Rüdiger|last3=Vogt|first3=Wolfgang|year=2022|title=The United States Holocaust Memorial Museum Encyclopedia of Camps and Ghettos 1933–1945. Volume IV|publisher=Indiana University Press, United States Holocaust Memorial Museum|page=293|isbn=978-0-253-06089-1}}</ref>

In January 1944, the 1st Reserve Infantry Regiment of the 1st Corps of the [[Polish Armed Forces in the East|Polish Armed Forces]] was stationed in Sumy, and soon the Main Formation Staff of the [[First Polish Army (1944–1945)|First Polish Army]] was established in Sumy.<ref name=hs>{{cite book|last=Stańczyk|first=Henryk|year=2021|title=Gorzki smak zwycięstwa. Polski bilans II wojny światowej|language=pl|location=Warszawa|publisher=[[Museum of Independence|Muzeum Niepodległości]], [[Museum of the Polish Peasant Movement|Muzeum Historii Polskiego Ruchu Ludowego]]|pages=105, 107|chapter=Wojsko Polskie na froncie wschodnim 1943–1945|isbn=978-83-66640-32-0}}</ref> In 1944, about 30,000 Polish soldiers were stationed and underwent military training in Sumy before rejoining the fight against Nazi Germany.<ref name=hs/>

After the war, the destroyed parts of the city were rebuilt.