March: Inclusion of the city, in Polish known as Królewiec, within the borders of the Kingdom of Poland following a request of the Prussian Confederation.[5]
March: The local mayor pledged allegiance to the Polish King during the incorporation of the region in Kraków.[6]
March: City authorized by the Polish king to mint Polish coins.[7]
1465 – Landing force from Polish-allied Elbląg destroyed the shipyard near the Old Town, preventing the Teutonic Knights from rebuilding their fleet until the end of the Thirteen Years' War.[9]
1579 – Renewed city resistance to the regency of George Frederick. The city supports the nobility's request to the Polish King to send a Polish Royal Commission to the city.[16]
1580 – Arrival of George Frederick to establish his rule.[16]
1629 – City refuses to pay taxes to the duchy.[18]
1632 – King Władysław IV Vasa of Poland supports the city in its dispute with Duke George William.[18]
1635
January: Agreement between the King of Poland and the city, granting the city the right to organize its military defense against a possible Swedish attack in exchange for exemption from taxes.[18]
City opposes the rule of Elector Frederick William, and sides with Poland.
1662
City sends a letter to King John II Casimir Vasa of Poland, opposing the rule of Elector Frederick William.[20]
8 July: Confederation formed in the city to maintain Poland's sovereignty over the city and region.[20]
27 October: The Brandenburg Elector and his army enter the city.[20]
30 October: Hieronymus Roth, leader of the city's anti-Elector opposition, abducted by Brandenburg forces, and then imprisoned.[21]
1663 – City burghers, forced by Frederick William, swear an oath of allegiance to him, however, in the same ceremony they still also pledge allegiance to Poland.[22]
25 August: The local Gestapo issued an arrest warrant for all Polish teachers in the region.[42]
August–September: Persecution of Poles, incl. mass arrests of Polish students and arrests of local Polish consul Jerzy Warchełowski and attaché Witold Winiarski.[43]
^Feduszka, Jacek (2009). "Szkoci i Anglicy w Zamościu w XVI-XVIII wieku". Czasy Nowożytne (in Polish). Vol. 22. Zarząd Główny Polskiego Towarzystwa Historycznego. p. 52. ISSN1428-8982.
^Ciesielski, Tomasz (2010). "Prusy Wschodnie w trakcie polskiej wojny sukcesyjnej i wojny siedmioletniej". In Gieszczyński, Witold; Kasparek, Norbert (eds.). Wielkie wojny w Prusach. Działania militarne między dolną Wisłą a Niemnem na przestrzeni wieków (in Polish). Dąbrówno. p. 108. ISBN978-83-62552-00-9.{{cite book}}: CS1 maint: location missing publisher (link)
^Norddeutscher Lloyd (1896), "Königsberg", Guide through Germany, Austria-Hungary, Italy, Switzerland, France, Belgium, Holland and England, Berlin: J. Reichmann & Cantor, OCLC8395555
^Eugene van Cleef (1945). "East Baltic Ports and Boundaries: With Special Reference to Königsberg". Geographical Review. 35 (2): 257–272. doi:10.2307/211478. JSTOR211478.
^Ceranka, Paweł; Szczepanik, Krzysztof (2020). Urzędy konsularne Rzeczypospolitej Polskiej 1918–1945. Informator archiwalny (in Polish). Warszawa: Naczelna Dyrekcja Archiwów Państwowych, Ministerstwo Spraw Zagranicznych. p. 196. ISBN978-83-65681-93-5.
^Cygański, Mirosław (1984). "Hitlerowskie prześladowania przywódców i aktywu Związków Polaków w Niemczech w latach 1939-1945". Przegląd Zachodni (in Polish) (4): 41.
^ abGliński, Mirosław. "Podobozy i większe komanda zewnętrzne obozu Stutthof (1939–1945)". Stutthof. Zeszyty Muzeum (in Polish). 3: 173. ISSN0137-5377.
^Russell H. Fifield (1948). "International Affairs: The Postwar World Map: New States and Boundary Changes". American Political Science Review. 42 (3): 533–541. doi:10.2307/1949917. JSTOR1949917. S2CID147617453.
^Europa World Year Book 2004. Taylor & Francis. ISBN1857432533.
^История Палаты [History of the Chamber] (in Russian). Калининградская торгово-промышленная палата (Kaliningrad Chamber of Commerce). Archived from the original on 12 April 2012. Retrieved 11 November 2013.
John Ramsay McCulloch (1880), "Königsberg", in Hugh G. Reid (ed.), A Dictionary, Practical, Theoretical and Historical of Commerce and Commercial Navigation, London: Longmans, Green, and Co.
James Charles Roy (1999). The Vanished Kingdom: Travels Through the History of Prussia. Basic Books. ISBN978-0-8133-3793-7.
Olga Sezneva (2000). "Historical Representation and the Politics of Memory in Kaliningrad, Former Königsberg". Polish Sociological Review (131): 323–338. JSTOR41274763.
Published in the 21st century
Peter Savodnik (2003). "Kaliningrad". Wilson Quarterly. 27 (2): 16–22. JSTOR40261179.
Ann Kennard (2010). "Case Study 1: Kaliningrad". Old Cultures, New Institutions: Around the New Eastern Border of the European Union. LIT Verlag Münster. pp. 133–161. ISBN978-3-643-10751-0.
"Konigsberg". Biblioteca geographica: Verzeichniss der seit der Mitte des vorigen Jahrhunderts bis zu Ende des Jahres 1856 in Deutschland (in German). Leipzig: Wilhelm Engelmann. 1858. (bibliography)
August Wilhelm Grube (1875). "Königsberg". Charakterbilder Deutschen Landes und Lebens fur Schule und Haus (in German) (10th ed.). Leipzig: F. Brandstetter.
"Königsberg". Brockhaus' Konversations-Lexikon (in German) (14th ed.). Leipzig: Brockhaus. 1898.
P. Krauss; E. Uetrecht, eds. (1913). "Konigsberg". Meyers Deutscher Städteatlas [Meyer's Atlas of German Cities] (in German). Leipzig: Bibliographisches Institut.
"Konigsberg", Deutscher Städteatlas (in German), vol. 2, Institut für vergleichende Städtegeschichte, 1979, ISBN3891150008
Małłek, Janusz (1992). "Polityka miasta Królewca wobec Polski w latach 1525–1701". Komunikaty Mazursko-Warmińskie (in Polish). No. 3–4.