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  • 00:26
     
    #Map of Prussia in the German Empire   
    Map of Prussia in the German Empire 1871-1918.
  • 01:44
     
    #Pre-World War 2 map of Germany   
    1939 Pre-World War 2 map of Germany including the Konigsberg exclave that was only accessible through Poland, or via the Baltic Sea.
  • 02:25
     
    #Post-World War 2 map of Europe   
    1948 Post-World War 2 map of Europe showing Germany divided into 4 zones with the Soviet Zone becoming East Germany. Also shown is the USSR borders extending all the way to Poland, Czechoslovakia, Hungary, and Romania.
  • 09:06
     
    #Immanuel Kant    #Critique of Pure Reason   
    Konigsberg Prussia was the home of Enlightenment philosopher Immanuel Kant. Immanuel Kant wrote the Critique of Pure Reason.
  • 09:40
     
    #Konigsberg Bridge Problem   
    Leonhard Euler was a Swiss Mathematician who worked/studied in St Petersburg who among other things solved the Konigsberg Bridge Problem.
  • 11:22
     
    #Konigsberg Bridge Problem    #Graph Theory   
    The Konigsberg Bridge Problem originated in the question of whether one could cross each of the 7 Konigsberg bridges once without crossing any more than once. Leonhard Euler proved that it is indeed not possible, and in the process gave us what is known as Graph Theory.

History of Konigsberg Prussia - Kaliningrad Russia

A look at the history and geography of K�nigsberg, Prussia (present-day Kaliningrad, Russia). Included is a brief discussion of Immanuel Kant and David Hilbert, who were from K�nigsberg. Finally, I look at the Seven Bridges of K�nigsberg problem. In solving this math problem, Leonhard Euler created a new area of mathematics called Graph Theory. Disclaimer: I'm a mathematician. If something about the history is misrepresented, please leave comments.






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