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| Constitution Pilsudski, Josef Klemens |  |
| Mar The powers of the President are cut back & Pilsudski refuses to stand for election |
| Prime Minister Ponikowski, Antonin | |
| 19th Sep Warsaw Appointed Prime Minister of Poland |
| Rule of Belorussia Pilsudski, Josef Klemens | |
| Belorussia Under the treaty of Riga Poland is ceded parts of Lithuania, Belorussia & the Ukraine |
| Rule of Lithuania Pilsudski, Josef Klemens | |
| Lithuania Under the treaty of Riga Poland is ceded parts of Lithuania, Belorussia & the Ukraine |
| Rule of Ponikowski, Antonin | |
| Riga Under the treaty of Riga Russia gains the eastern third of Poland |
| Rule of Ukraine Pilsudski, Josef Klemens | |
| Ukraine Under the treaty of Riga Poland is ceded parts of Lithuania, Belorussia & the Ukraine |
| Treaty of Riga Pilsudski, Josef Klemens | |
| Riga Under the treaty of Riga Poland is ceded parts of Lithuania, Belorussia & the Ukraine |
| Treaty of Riga Ponikowski, Antonin | |
| Riga Under the treaty of Riga Russia gains the eastern third of Poland |
