Kaliningrad
City
Baltic port called Königsberg until 1946, capital of East Prussia and now a Russian exclave.
Held by
- 1789 – July 1, 1867 Kingdom of Prussia
- July 1, 1867 – January 18, 1871 North German Confederation
- January 18, 1871 – November 9, 1918 German Empire
- November 11, 1918 – May 8, 1945 Germany
- August 1, 1945 – December 25, 1991 Soviet Union
- since December 26, 1991 Russia
Events here 2
- January 13 – April 25, 1945 East Prussian offensive
- April 6–9, 1945 Battle of Königsberg