The history of Kaliningrad can be divided into four periods.

• The first one is the Old Prussian settlement known as Twangeste, before 1255
• The second period was the Polish city of Królewiec (Königsberg) in 1454-1455, and then the Polish fiefdom in 1456-1657
• The third period is the German period - Königsberg in the years 1657-1945
• Fourth - the Russian city of Kaliningrad from 1945 to the present