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| 1918 | Constitution Wroblewski, Ladislaw |  |
| Nov The Republic is based upon the Polish Commonwealth dissolved in World for the year 1795">1795 |
| Nov The Republic of Poland is founded |
| 1918 | Government Pilsudski, Josef Klemens | |
| Dec Warsaw Forms a provisional Government |
| 1918 | Independence Pilsudski, Josef Klemens | |
| Warsaw The Republic of Poland is founded |
| 1918 | Independence Wroblewski, Ladislaw | |
| Nov Polish independence is guaranteed by the signatories of the treaty of Versailles |
| 1918 | Prime Minister Ponikowski, Anton | |
| 27th Feb Warsaw Appointed Prime Minister of Poland |
| 1918 | Prime Minister Steczkowski, Jan Kanty | |
| 3rd April Warsaw Appointed Prime Minister of Poland |
| 1918 | Prime Minister Kucharzewski, Jan | |
| 6th Sep Warsaw Appointed Prime Minister of Poland , 2nd term |
| 1918 | Prime Minister Swiezynski, Jozef | |
| 22nd Oct Warsaw Appointed Prime Minister of Poland |
| 1918 | Prime Minister Wroblewski, Ladislaw | |
| 5th Nov Warsaw Appointed Prime Minister of Poland |
| 1918 | Prime Minister Daszynski, Ignacy | |
| 14th Nov Warsaw Appointed Prime Minister of Poland |
| 1918 | Prime Minister Moraczewski, Jerzej | |
| 17th Nov Warsaw Appointed Prime Minister of Poland |
| 1918 | Republic Wroblewski, Ladislaw | |
| Nov The Republic is based upon the Polish Commonwealth dissolved in World for the year 1795">1795 |
| Nov The Republic of Poland is founded |
| 1918 | Rule of Vilna Pilsudski, Josef Klemens | |
| 19th April Vilna A dispute between Poland & Lithuania takes place over the Polish rule of Vilna |
| 1918 | Treaty of Versailles Wroblewski, Ladislaw | |
| Nov Versailles Polish independence is guaranteed by the signatories of the treaty of Versailles |