1. Added the border of first Polish state (960-973)

    Closed
    #65065 697 0

  2. Added a bit of border of first Polish state (960-973)

    Closed
    #64940 798 0

  3. Added start and end date to the duchy of Płock

    Closed
    #64923 1 0

  4. Added latin name for Duchy of Czersk

    Closed
    #64814 1 0

  5. Added start and end date to the duchy of czersk

    Closed
    #64813 1 0

  6. Added link to polish wikipedia about II Polish republic

    Closed
    #64812 1 0

  7. Patched the hole in relation of II Polish Republic that made it not displaying on the map

    Closed
    #64811 3 0