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

    Closed · #65065
    0
    697

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

    Closed · #64940
    0
    798

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

    Closed · #64923
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    1

  4. Added latin name for Duchy of Czersk

    Closed · #64814
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    1

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

    Closed · #64813
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    1

  6. Added link to polish wikipedia about II Polish republic

    Closed · #64812
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    1

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

    Closed · #64811
    0
    3