 Complete the following phrase:  The settlement of modern-day Kaliningrad was founded in 1255 on the site of the ancient Old Prussian settlement Twangste by the Teutonic Knights during the Northern Crusades, and was named Königsberg in honor of King Ottokar II of Bohemia. A Baltic port city, it successively became the capital of the State of the Teutonic Order, the Duchy of Prussia 15251701 and East Prussia. Königsberg remained the coronation city of the Prussian monarchy, though the capital was moved to Berlin in 1701. From 1454 to 1455 the city under the name of Królewiec belonged to the Kingdom of Poland, and from 1466 to 1657 it was a Polish fief. Königsberg was the easternmost large city in Germany until World War II. The city was heavily damaged by Allied bombing in 1944 and during the 