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Mar 14, 1440
The Prussian League Formed
The Prussian League was formed on March 14, 1440 in Kwidzyn. It was a confederation of nobility and the cities of Vistula Pomerania with the real purpose of opposing the Knights and the Teutonic Order. -
Period: Jan 1, 1450 to
Prussia
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Feb 28, 1454
Thirteen Years' War
The Thirteen Years' War was a conflict between the Prussian Confederation, allied with the Kingdom of Poland, and the Teutonic Order State. The war lasted between 1454 and 1466 mainly over the fight for control over Gdańsk Pomerania. The Prussian Confederation ended up winnning the war, end ending with a Second Peace of Thorn and losing Western Prussia to Poland. -
Nov 30, 1525
The Protestant Reformation
Prussians convert to Protestantism during the mid 1500 while Poland remained as it still does remain, solidly Roman Catholic. The spread of Protestantism had to do strongly with Martin Luther and Albert of Hohenzollern on Luther's advice, transformed Prussia into a secular, hereditary duchy under the sovereignty of Poland. -
invasion by the Swedes
In 1657, after an invasion by the Swedes, Poland surrendered sovereignty over Prussia which then became the Kingdom of Prussia headed by the Hohenzollern line. -
Frederick I, became king of Prussia
Frederick William's son, Frederick I, became king of Prussia in 1701.
Frederick crowned himself on 18 January 1701 in Königsberg. Frederick's royalty was limited to Prussia and did not reduce the rights of the Emperor in Frederick's Imperial territories, he had to call himself "King in Prussia" instead of "King of Prussia". He was a still only an elector under the suzerainty of the Holy Roman Emperor in Brandenburg. He was only just -
King Frederick II reign starts
Prussia's power grew and in 1772, under King Friedrich II (Frederick the Great), consisted of the provinces of Brandenburg, Pomerania, Danzig, West Prussia and East Prussia (modern day East Germany, northern Poland, and a small portion of the Soviet Union).
