Olsz was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Olsz and belongs to Poland.
Historical place name | Country | Administration | Time |
---|---|---|---|
Olsz | Russian Empire | Slupcy | 1914 |
Olsz | Poland | Konin | 1921 |
NN | German Empire | Konin | 1939 |
Olsza | Poland | Września | 1945 |
Olsz | Poland | Konin | 1992 |