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Rochnia

Rochnia was formerly part of the German Empire. In the German Empire, the place was called Rochnia.
The place is now called Rochnia and belongs to Poland.

Historical place name Country Administration Time
Rochnia Russian Empire Mlava 1914
Rochnia Poland Mława 1919
Rochnia German Empire Mielau 1939
Rochnia Poland Mława 1945
Rochnia Poland Ciechanów 1992