For the next 123 years, there was no independent Polish state.
From then until 1918 there was no independent Polish state.
Agreement was also reached on creating a new Polish state.
Since 1933 following the return of sovereignty, the lake has been owned by the Polish state.
This process resulted in the creation of the modern Polish state.
The process continued and the Polish state developed from tribal roots in the second half of the century.
It would have been impossible to leave the Polish state alone, without a monarch for such a long time.
Since 1951 the Polish state used it as a school and largely destroyed the interior.
Around 970 it was included in the Polish state.
At other times there was no separate Polish state at all.