Arrange the events in Polish history in chronological order using the numbers 1-6.



An official act of union joins Poland with neighbor Lithuania.


Poland ceases to exist as a nation.


Polish leader John III Sobieski stops Turks from advancing across Europe.


Tribes unify under Mieszko I, prince of Polska.
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The Second Polish Republic forms at the conclusion of World War I.


Germany overruns Poland with a blitzkrieg (lightning war). The invasion marks the beginning of World War II.