1481: Radom becomes a de facto capital of Poland after Casimir IV of Poland moves to Lithuania and his son, Saint Casimir to be, ruled the country in his absence from Radom
1906: Notable Polish independence fighter Kazimierz Sosnkowski, and future Polish politician and general, escaped from Warsaw to Radom, pursued by the Russian Okhrana, and became the commander of the local Polish Combat Organization.[5]
1920–1939: Radom becomes a part of the Central Industrial Area (Centralny Okręg Przemysłowy); Chemical Plant, arms and munitions factory (Łucznik Arms Factory), gas works, telephone and shoe factories are founded
1921
Czarni Radom football club (future multi-sport club) founded.
September: The Germans closed down the local technical high school and established a hospital for wounded Polish and later German soldiers in its place.[7]
October 24: The Germans carried out a public execution of 24 Poles.[9]
November 5: The Germans carried out a public execution of 5 Poles.[9]
December 2: The Germans carried out a public execution of 19 Poles.[9]
December 14: The Germans carried out a public execution of 24 Poles.[9]
December 15: The Germans carried out a public execution of 13 Poles.[9]
December 19: The Germans carried out a public execution of 16 Poles.[9]
1940
January 12: The Germans carried out a public execution of 10 Polish men.[9]
March: Polish Rada Główna Opiekuńcza organization established a kitchen at the railway station that prepared meals for the most needy.[10]
March 29: The Germans carried out an execution of 69 Poles from Stefanków in the Firlej district.[11]
March 31: The German Feldgendarmerie carried out an execution of 43 Polish farmers, craftsmen and forest workers from Gałki in the Firlej district.[11]
April–May: Around 100 Poles from Radom were murdered by the Russians in the large Katyn massacre.[12]
May 16 and 24: The Germans carried out executions of 98 Poles, including teenagers, in the Firlej district.[13]
September: The Germans discovered secret activity of the Polish resistance movement at the local arms factory and carried out mass arrests of its members.[17]
October 12–15: The Germans carried out three mass public executions of 50 Poles, including 26 employees of the arms factory, and a pregnant woman.[18]
April 23, 1943: Polish resistance successfully assassinated the chief of the local German police.[19]
1944
March 1: The Germans carried out an execution of 36 Poles.[20]
March-April: Mass arrests of local Poles, including members of the Grey Ranks resistance organization, by the Gestapo.[21]
7 July: The Germans carried out a massacre of 30 Polish firefighters.[22]
July: Radom Ghetto dissolved.
July: Partial evacuation of the German administration to Częstochowa.[7]
January: The Soviet NKVD took over the former Gestapo headquarters.[7]
Contemporary history
September 9, 1945: Polish partisans attacked the communist prison and liberated nearly 500 prisoners.[4]
1948–1975: Theatre (Teatr Dramatyczny) and an engineering school are opened.
1954: City limits were greatly expanded by including several settlements as new districts, including Długojów, Godów, Gołębiów, Halinów, Jeżowa Wola, Kaptur, Michałów, Prędocinek, Wośniki and Żakowice.[24]
June 25: Huge workers' strike against the communist regime; the city becomes one of the main centres of anti-communist opposition in Poland (see June 1976 protests)
July 17: Beginning of court trials of anti-communist protesters, in which 25 people were sentenced to prison.[26]
1981: Monument was unveiled at the site of a German execution of 15 Poles on October 14, 1942.[25]
1984: City limits were greatly expanded by including several settlements as new districts, including Długojów Górny, Huta Józefowska, Janiszpol, Józefów, Kierzków, Kończyce, Krychnowice, Krzewień, Malczew, Mleczna, Nowa Wola Gołębiowska, Nowiny Malczewskie, Stara Wola Gołębiowska, Wincentów, Wólka Klwatecka.[27]
^ abcGembarzewski, Bronisław (1925). Rodowody pułków polskich i oddziałów równorzędnych od r. 1717 do r. 1831 (in Polish). Warszawa: Towarzystwo Wiedzy Wojskowej. p. 26–27.
^Radomskie miejsca pamięci II wojny światowej (in Polish). Radom. 2010. p. 24.{{cite book}}: CS1 maint: location missing publisher (link)
^ abcRadomskie miejsca pamięci II wojny światowej (in Polish). Radom. 2010. p. 13.{{cite book}}: CS1 maint: location missing publisher (link)
^Kirszak, Jerzy (2008). "Wspołtworca niepodległości. Kazimierz Sosnkowski do 1918 roku". Biuletyn Instytutu Pamięci Narodowej (in Polish). No. 11–12 (94–95). IPN. p. 109. ISSN1641-9561.
^ abRadomskie miejsca pamięci II wojny światowej, p. 7
^Waligóra, Grzegorz (2007). "Ruch Obrony Praw Człowieka i Obywatela". Biuletyn Instytutu Pamięci Narodowej (in Polish). Vol. 3, no. 74. IPN. p. 101. ISSN1641-9561.