Years in Poland (1989–present)
This is a timeline of Polish history, comprising important legal and territorial changes and political events in Poland and its predecessor states. To read about the background to these events, see History of Poland. See also the list of Polish monarchs and list of prime ministers of Poland.
| Year | Date | Event |
|---|---|---|
| 800 000BC | First known humans on Polish lands | |
| 500 000BC | Oldest Stone Tools | |
| 2400-2300BC | Early Bronze Age | |
| 750-700BC | Iron Age |
| La Tene Culture || ||
| Year | Date | Event |
|---|---|---|
| 450 | First Slavic settlements (to 500) |
| Year | Date | Event |
|---|---|---|
| 910 | Early stage of the Piast (Giecz-Gniezno area tribe) expansion (to 930) | |
| 960 | Beginning of Polish State | |
| 965 | Merchant Abraham ben Jacob mentions the city "Karako" (Currently Kraków) | |
| 966 | April 14 | Baptism of Poland |
| 967 | Battle of Mieszko I with Wichmann and Wolinians | |
| 970 | Denarius becomes the currency of Poland | |
| 972 | 24 June | Mieszko I defeats Odo I at the Battle of Cedynia |
| 989 | Lesser Poland is conquered | |
| 990 | After a victory against Boleslaus II, Silesia is annexed | |
| 992 | May 25 | Death of Mieszko I |
| 997 | St. Adalbert baptises the citizens of Gyddannyzc (currently Gdańsk) | |
| 1000 | March | Congress of Gniezno |
| Year | Date | Event |
|---|---|---|
| 1003 | Bohemia and Moravia are annexed by Poland | |
| 1004 | First war with Henry II starts | |
| 1007 | Second war with Henry II starts | |
| 1015 | Third war with Henry II starts | |
| 1018 | January 30 | Signing of the Peace of Bautzen (Budziszyn) with Henry II |
| Bolesław I's intervention in the Kievan succession crisis | ||
| 1025 | April 18 | Coronation of Bolesław I Chrobry |
| June 17 | Death of Bolesław I Chrobry the Brave | |
| December 25 | Coronation of Mieszko II Lambert | |
| 1031 | Bezprym organises a coup | |
| Mieszko II flees | ||
| Ukrainian prince Yaroslav the Wise conquers Cherven Cities, while the Holy Roman Empire regains Lusatia | ||
| 1032 | Mieszko II Lambert returns to the country, duke Bezprym dies | |
| 1034 | May 10 | Death of Mieszko II Lambert |
| 1034–39 | Pagan uprisings against Christianization | |
| 1058 | November 28 | Death of Casimir I the Restorer |
| 1076 | December 26 | Coronation of Bolesław II the Bold |
| Year | Date | Event |
|---|---|---|
| 1102 | June 4 | Death of Władysław I Herman |
| 1138 | October 28 | Death of Bolesław III Wrymouth; birth of Casimir II the Just |
| 1173 | January 5 | Death of Bolesław IV the Curly |
| 1182 | The first Sejm | |
| 1194 | May 5 | Death of Casimir II |
| Year | Date | Event |
|---|---|---|
| 1202 | March 13 | Death of Mieszko III the Old, High Duke of Poland |
| 1211 | May 16 | Death of Mieszko IV Tanglefoot |
| 1226 | March 26 | Issuance of Golden Bull of Rimini |
| 1227 | November 24 | Assassination of Leszek I the White |
| 1231 | November 3 | Death of Władysław III Spindleshanks |
| 1238 | March 19 | Death of Henry I the Bearded |
| 1241 | First Mongol invasion of Poland | |
| April 9 | Death of Henry II the Pious | |
| 1247 | August 31 | Death of Konrad I of Masovia |
| 1264 | September 8 | Issuance of Statute of Kalisz |
| 1279 | December 7 | Death of Bolesław V the Chaste |
| 1288 | September 30 | Death of Leszek II the Black |
| Władysław I Łokietek (the Elbow-high) inherits the lands of Poland | ||
| 1290 | June 23 | Death of Henryk IV Probus |
| 1295 | June 26 | Coronation of Przemysł II |
| Coat of arms of Poland adopted by the King | ||
| 1296 | February 8 | Assassination of Przemysł II |
| 1300 | August | Coronation of Wenceslaus II |
| Year | Date | Event |
|---|---|---|
| 1305 | June 21 | Death of Wenceslaus II |
| 1306 | August 4 | Assassination of Wenceslaus III |
| 1308 | Teutonic takeover of Danzig | |
| 1311 | Rebellion of wójt Albert begins | |
| 1312 | Rebellion of wójt Albert ends | |
| 1320 | January 20 | Coronation of Władysław I the Elbow-high |
| 1326 | Polish–Teutonic War (1326–1332) begins | |
| 1332 | Polish–Teutonic War concludes | |
| 1333 | March 2 | Death of Władysław I the Elbow-high |
| April 25 | Coronation of Casimir III | |
| 1335 | Congress of Visegrád | |
| 1339 | Congress of Visegrád | |
| 1343 | July 8 | Signing of the Treaty of Kalisz |
| 1347 | Wiślica Statutes | |
| 1364 | Founding of Jagiellonian University | |
| 1370 | November 5 | Death of Kazimierz III the Great |
| November 17 | Coronation of Louis of Hungary | |
| 1374 | September 17 | Privilege of Koszyce |
| 1382 | September 10 | Death of Louis of Hungary |
| 1384 | October 16 | Coronation of Jadwiga |
| 1385 | August 14 | Signing of the Union of Krewo |
| 1386 | March 4 | Coronation of Władysław II Jagiełło |
| 1399 | July 17 | Death of queen Jadwiga |
| Year | Date | Event |
|---|---|---|
| 1401 | Union of Vilnius and Radom | |
| 1409 | Polish–Lithuanian–Teutonic War begins | |
| 1410 | July 15 | Battle of Grunwald won by Władysław II Jagiełło |
| 1411 | February 1 | Signing of the First Peace of Thorn (Toruń) concludes the Polish–Lithuanian–Teutonic War |
| 1412 | November 8 | Signing of the Treaty of Lubowla |
| 1413 | October 2 | Signing of the Union of Horodło |
| 1414 | Hunger War | |
| 1422 | Gollub War begins | |
| September 27 | Signing of the Treaty of Melno concludes the Gollub War | |
| 1424 | Issuance of Edict of Wieluń | |
| 1431 | Polish–Teutonic War (1431–1435) begins | |
| 1432 | Signing of the Union of Grodno | |
| 1434 | June 1 | Death of Władysław II Jagiełło |
| July 25 | Coronation of Władysław III of Varna | |
| 1435 | Polish–Teutonic War War concludes | |
| 1444 | November 10 | Death of Władysław III of Varna |
| 1447 | June 25 | Coronation of Kazimierz IV Jagiellon |
| 1454 | Thirteen Years' War begins | |
| Statutes of Nieszawa | ||
| 1466 | October 19 | Signing of the Second Peace of Thorn (Toruń) concludes the Thirteen Years' War |
| 1473 | Almanach cracoviense ad annum 1474 published | |
| 1478 | War of the Priests begins | |
| 1479 | War of the Priests ends | |
| 1492 | June 7 | Death of Kazimierz IV Jagiellon |
| September 23 | Coronation of Jan I Olbracht | |
| 1496 | Statutes of Piotrków | |
| 1499 | Union of Kraków and Vilnius |
| Year | Date | Event |
|---|---|---|
| 1501 | June 17 | Death of Jan I Olbracht |
| October 3 | Union of Mielnik | |
| December 12 | Coronation of Alexander Jagiellon | |
| 1505 | May 3 | Signing of act of Nihil novi |
| 1506 | August 19 | Death of Alexander Jagiellon |
| 1507 | January 24 | Coronation of Sigismund I the Old |
| 1513 | Hortulus Animae, polonice published | |
| 1515 | July | First Congress of Vienna |
| 1519 | Polish–Teutonic War begins | |
| 1521 | Polish–Teutonic War concludes | |
| 1525 | April 8 | Signing of the Treaty of Kraków |
| April 10 | Prussian Homage | |
| 1526 | Annexation of Duchy of Masovia | |
| 1530 | February 20 | Coronation of Sigismund II Augustus |
| 1537 | Chicken War | |
| 1543 | De revolutionibus orbium coelestium published | |
| 1548 | April 1 | Death of Zygmunt I the Old |
| 1558 | Livonian War begins | |
| 1561 | November 28 | Signing of Wilno Pact |
| 1563 | Northern Seven Years' War begins | |
| 1569 | July 1 | Signing of the Union of Lublin |
| 1570 | Signing of Sandomierz Agreement | |
| December 13 | Signing of the Treaty of Stettin concludes the Northern Seven Years' War | |
| 1572 | July 7 | Death of Zygmunt II August |
| 1573 | January 28 | Signing of the Warsaw Confederation |
| May 11 | Election of Henry of Valois | |
| 1574 | February 21 | Coronation of Henry Valois |
| June 18 | Flight of Henry Valois | |
| 1575 | December 9 | Election of Stephen Báthory |
| 1576 | 1 May | Coronation of Stephen Batory and Anna Jagiellon |
| 1579 | Founding of Vilnius University | |
| 1582 | January 15 | Signing of the Truce of Jam Zapolski concludes Commonwealth participation in the Livonian War |
| October 15 | Adoption of Gregorian calendar | |
| 1586 | December 12 | Death of Stefan Batory |
| 1587 | August 19 | Election of Sigismund III Vasa |
| December 27 | Coronation of Sigismund III Waza | |
| 1591 | Kosiński Uprising begins | |
| 1593 | Kosiński Uprising ends | |
| 1594 | Nalyvaiko Uprising begins | |
| 1596 | Nalyvaiko Uprising ends | |
| Transfer of capital from Kraków to Warsaw | ||
| Union of Brest concludes |
| Year | Date | Event |
|---|---|---|
| 1605 | Polish–Muscovite War (1605–18) begins | |
| 1606 | Zebrzydowski Rebellion begins | |
| 1618 | Signing of the Truce of Deulino concludes the Polish–Muscovite War | |
| 1620 | Polish–Ottoman War (1620–21) begins | |
| 1621 | Polish–Ottoman War (1620–21) ends | |
| 1625 | Signing of the Treaty of Kurukove | |
| 1629 | Signing of the Truce of Altmark | |
| 1632 | Election Sejm | |
| Smolensk War begins | ||
| April 30 | Death of Sigismund III Waza | |
| November 8 | Election of Władysław IV Vasa | |
| 1633 | Polish–Ottoman War (1633–34) begins | |
| February 6 | Coronation of Władysław IV Vasa | |
| 1634 | Signing of the Treaty of Polanów concludes the Smolensk War | |
| Polish–Ottoman War ends | ||
| 1635 | September 12 | Signing of the Treaty of Sztumska Wieś |
| 1648 | Khmelnytsky Uprising begins | |
| May 20 | Death of Władysław IV Waza | |
| November 20 | Election of John II Casimir Vasa | |
| 1649 | January 19 | Coronation of John II Casimir Vasa |
| August 17 | Signing of the Treaty of Zboriv | |
| 1651 | June 14 | Kostka-Napierski Uprising begins |
| June 24 | Kostka-Napierski Uprising ends | |
| September 28 | Signing of the Treaty of Bila Tserkva | |
| 1654 | Khmelnytskyi Uprising ends | |
| Russo-Polish War begins | ||
| 1655 | Deluge begins | |
| August 18 | Signing of the Union of Kėdainiai | |
| December 29 | Tyszowce Confederation formed | |
| 1657 | September 9 | Signing of the Treaty of Welawa |
| November 6 | Signing of the Treaty of Bydgoszcz | |
| 1658 | September 16 | Signing of the Treaty of Hadiach |
| 1660 | May 3 | Signing of the Treaty of Oliva concludes the Deluge |
| 1665 | Lubomirski's Rokosz begins | |
| 1666 | Lubomirski's Rokosz ends | |
| 1667 | January 30 | Signing of the Treaty of Andrusovo concludes the Russo-Polish War |
| 1668 | September 16 | Abdication of John II Casimir Vasa |
| 1669 | June 16 | Election of Michał Korybut Wiśniowiecki |
| September 29 | Coronation of Michał Korybut Wiśniowiecki | |
| 1672 | Polish–Ottoman War (1672–76) begins | |
| October 18 | Signing of the Peace of Buczacz | |
| 1673 | November 10 | Death of Michael Korybut Wiśniowiecki |
| 1674 | May 19 | Election of John III Sobieski |
| 1676 | February 2 | Coronation of John III Sobieski |
| October 17 | Signing of the Treaty of Żurawno concludes the Polish–Ottoman War | |
| 1683 | September 12 | Battle of Vienna won under command of John III Sobieski |
| 1686 | Signing of the Eternal Peace Treaty | |
| 1696 | June 17 | Death of John III Sobieski |
| 1697 | June 27 | Election of Augustus II the Strong |
| September 15 | Coronation of Augustus II the Strong | |
| 1699 | Signing of the Treaty of Preobrazhenskoye | |
| January 26 | Signing of the Treaty of Karlowitz concludes the Great Turkish War |
| Year | Date | Event |
|---|---|---|
| 1704 | February 16 | Warsaw Confederation formed |
| May 20 | Sandomierz Confederation formed | |
| July 12 | Election of Stanisław Leszczyński | |
| 1705 | October 4 | Coronation of Stanisław Leszczyński |
| 1706 | September 24 | Signing of the Treaty of Altranstädt |
| 1709 | July 8 | Restoration of August II the Strong |
| 1715 | Tarnogród Confederation begins | |
| 1716 | Tarnogród Confederation ends | |
| 1717 | February 1 | Silent Sejm |
| 1724 | December 7 | Tumult of Thorn |
| 1733 | War of the Polish Succession begins | |
| February 1 | Death of August II the Strong | |
| October 5 | Election of August III the Saxon | |
| 1734 | January 17 | Coronation of August III the Saxon |
| November 5 | Dzików Confederation formed | |
| 1736 | Pacification Sejm | |
| 1738 | November 18 | Treaty of Vienna concludes the War of the Polish Succession |
| 1763 | October 5 | Death of August III |
| 1764 | Convocation Sejm | |
| September 7 | Election of Stanisław August Poniatowski | |
| November 25 | Coronation of Stanisław August Poniatowski | |
| 1767 | Repnin Sejm begins | |
| March 20 | Słuck Confederation formed | |
| June 23 | Radom Confederation formed | |
| 1768 | Koliyivschyna | |
| Massacre of Uman | ||
| February 29 | Signing of the Bar Confederation | |
| 1772 | First Partition of Poland | |
| 1773 | October 14 | Creation of Commission of National Education |
| 1788 | Great Sejm begins | |
| 1789 | December 2 | Black Procession |
| 1790 | March 29 | Signing of Polish–Prussian alliance |
| 1791 | April 18 | Free Royal Cities Act |
| May 3 | Adoption of Constitution of 3 May | |
| 1792 | Polish–Russian War | |
| May 14 | Signing of Targowica Confederation | |
| May 29 | Great Sejm ends | |
| 1793 | Second Partition of Poland | |
| Grodno Sejm | ||
| 1794 | March 24 | Kościuszko Uprising begins |
| March 24 | Kościuszko's proclamation | |
| May 7 | Issuance of Proclamation of Połaniec | |
| August 20 | Greater Poland Uprising begins | |
| 1795 | Third Partition of Poland | |
| November 25 | Abdication of Stanisław August Poniatowski |
| Year | Date | Event |
|---|---|---|
| 1806 | November 3 | Greater Poland Uprising begins. |
| The Town of Łódź became a part of the Napoleonic Duchy of Warsaw. | ||
| 1807 | March 19 | Beginning of the Siege of Danzig. |
| May 24 | End the Siege of Danzig. | |
| July 9 | The second Treaty of Tilsit was signed. | |
| Białystok was captured by the Russian Empire. | ||
| 1809 | October 14 | Signing of the Treaty of Schönbrunn. |
| 1815 | June 9 | Congress of Vienna concludes. |
| October 18 | Free City of Kraków proclaimed. | |
| November 27 | Adoption of Constitution of the Kingdom of Poland. | |
| 1812 | July 3 | The forces of Napoleon invaded Białystok. |
| 1813 | January | Siege of Danzig occurred. |
| 1814 | Prussia captured Gdańsk. | |
| 1815 | The Republic of Krakow was established. | |
| 1820 | January | Kraków Town Hall was demolished excluding the tower. |
| 1824 | The Lodka settlement was founded. | |
| 1825 | December 1 | Death of Alexander I of Russia. |
| 1829 | 24 May | Coronation of Nicholas I of Russia. |
| 1830 | November 29 | November Uprising begins. |
| 1831 | Russian forces occupied Kraków. | |
| 1832 | Handelsakademie was founded. | |
| 1834 | Białystok prevented schools from teaching in the Polish language. | |
| 1846 | February 19 | Kraków Uprising begins. |
| March 4 | Kraków Uprising ended. | |
| November 16 | Free City of Kraków incorporated into the Austrian Empire. | |
| 1848 | Greater Poland Uprising. | |
| 1850 | July 18 | Kraków fire of 1850 began. |
| 1863 | January 22 | January Uprising begins. |
| 1864 | March 2 | Abolition of serfdom in Congress Poland. |
| 1873 | The School of Fine Arts and Academy of Learning became active. | |
| 1879 | The National Museum of Kraków was founded. | |
| 1881 | Great Synagogue was constructed in Łódź. | |
| 1884 | Alexander Nevsky Cathedral was constructed. | |
| 1888 | Karl Scheibler's Chapel was constructed. | |
| 1892 | Izrael Poznański factory was constructed. | |
| 1898 | The Volunteer Fire Department was founded. |
| Year | Date | Event |
|---|---|---|
| 1908 | September 26 | Bezdany raid near Vilna on a Russian imperial train |
| 1916 | November 5 | Signing of the Act of 5th November between Germany and Austria |
| 1917 | July 9 | Oath crisis by the departing Polish Legions led by Józef Piłsudski |
| 1918 | March 3 | Signing of the Treaty of Brest-Litovsk with the Soviet Russia |
| November 11 | Poland regains independence with the formation of the Second Polish Republic following the Armistice of 11 November 1918 |
| Year | Date | Event |
|---|---|---|
| 1918 | November 1 | Polish–Ukrainian War begins, ends in 1919 |
| November 11 | Polish Independence Day, Warsaw is free from German troops of the Ober Ost | |
| December 27 | Greater Poland Uprising begins, ends in 1919 | |
| 1919 | January 23–30 | Polish–Czechoslovak War erupts following border disagreements |
| January 26 | Legislative election to the Sejm | |
| February 14 | Polish–Soviet War begins | |
| February 16 | Greater Poland Uprising ends | |
| February 20 | Adoption of Small Constitution | |
| April 22 | Proclamation to the inhabitants of the former Grand Duchy of Lithuania about Międzymorze | |
| June 28 | Treaty of Versailles (Articles 87–93) and Little Treaty ratify Poland as a sovereign state internationally | |
| August 16 | First Silesian Uprising begins; Silesian Uprisings continue until 1921 | |
| August 22 | Sejny Uprising after imperial Germany turned over administration to Lithuanian delegates | |
| 1920 | February 10 | Poland's Wedding to the Sea in Puck |
| April 21 | Signing of Treaty of Warsaw | |
| July 5–16 | Spa Conference in Belgium | |
| August 12–25 | Miracle of the Vistula during the Bolshevik invasion | |
| August 19 | Second Silesian Uprising begins | |
| September 1 | Polish–Lithuanian War continues over the Vilnius and Suwałki Regions | |
| October 6 | Żeligowski's Mutiny resulting in the creation of the Republic of Central Lithuania | |
| 1921 | February 19 | Signing of the Franco-Polish alliance |
| March 3 | Polish–Romanian alliance signed in Bucharest | |
| March 17 | Adoption of March Constitution | |
| March 18 | Signing of the Peace of Riga with Lenin concludes the Polish-Soviet War | |
| March 20 | Upper Silesia plebiscite rigged | |
| May 2 | Third Silesian Uprising begins | |
| 1922 | November 5–12 | Legislative election |
| December 9 | Gabriel Narutowicz becomes President | |
| December 16 | Assassination of Gabriel Narutowicz | |
| December 22 | Stanisław Wojciechowski becomes President | |
| 1923 | November 6 | Krakow riot |
| 1924 | January 11 | Władysław Grabski's monetary reform with Bank of Poland acting as an issuing bank |
| 1925 | December 1 | Signing of the Locarno Treaties |
| 1926 | May 12–14 | May Coup |
| June 4 | Ignacy Mościcki becomes President | |
| 1928 | March 4–11 | Legislative election |
| Piłsudski's Nonpartisan Bloc for Cooperation with the Government election campaign | ||
| 1930 | November 16 | Legislative election |
| 1932 | July 25 | Signing of the Soviet–Polish Non-Aggression Pact |
| 1934 | January 26 | Signing of the German–Polish declaration of non-aggression |
| 1935 | April 23 | Adoption of April Constitution |
| May 12 | Death of Józef Piłsudski | |
| September 15 | Legislative election | |
| 1938 | April 1 | Territorial changes of Polish Voivodeships |
| October | Annexation of Trans-Olza | |
| November 6 | Legislative election | |
| 1939 | April 2 | Suicide former Prime Minister of Walery Sławek |
| August 23 | Signing of the Molotov–Ribbentrop Pact | |
| August 25 | Signing of the Polish–British Common Defence Pact | |
| August 29 | Peking Plan begins, Polish destroyers moved to British ports | |
| August 31 | Gleiwitz incident, pretext for the invasion |
|
Main article: Occupation of Poland (1939–45) |
| Year | Date | Event |
|---|---|---|
| 1939 | September 1 | German Invasion of Poland begins; Bombing of Wieluń |
| September 2 | Massacre in Torzeniec village | |
| September 3 | Bloody Sunday in Bydgoszcz | |
| September 8 | German Massacre in Ciepielów of Polish POW | |
| September 13 | Bombing of Frampol, up to 90% of the town destroyed | |
| September 17 | Soviet invasion of Poland | |
| September 18 | Orzeł incident, ORP submarine escapes to the United Kingdom | |
| September 18 | The Fall of Warsaw | |
| October 1 | General Bolesław Wieniawa-Długoszowski elected President | |
| October 6 | Poland completely occupied | |
| November 6 | Sonderaktion Krakau operation against university professors | |
| 1940 | March 5 | Authorization of Katyń massacre |
| May 16 | Authorization of German AB-Aktion in Poland | |
| 1941 | June 30 – July 29 | Lviv pogroms |
| July 2 | Massacre of Lwów professors | |
| July 10 | Jedwabne pogrom | |
| August 17 | Signing of the Sikorski–Mayski agreement in London | |
| October 12 | Stanisławów Ghetto Bloody Sunday massacre | |
| 1942 | March 17 | Bełżec extermination camp begins secretive Operation Reinhard |
| May 16 | Sobibór extermination camp starts mass gassing operations | |
| July 22 | Treblinka extermination camp becomes ready for the Grossaktion Warsaw deportations | |
| 1943 | March 26 | Operation Arsenal, first major operation by the Szare Szeregi |
| April 19 | Warsaw Ghetto Uprising begins | |
| May 16 | Warsaw Ghetto Uprising ends | |
| July 4 | Death of Polish military leader Władysław Sikorski | |
| July 11 | Bloody Sunday, the peak of Massacres of Poles in Volhynia and Eastern Galicia | |
| July 11–12 | Zagaje massacre | |
| December 1 | Tehran Conference concludes in the Soviet embassy in Tehran | |
| 1944 | January 29 | Koniuchy massacre by Soviet partisans |
| February 28 | Huta Pieniacka massacre by Ukrainian Grenadier Division of the Waffen-SS | |
| June 20 | Glinciszki massacre by Lithuanian Auxiliary Police | |
| June 23 | Dubingiai massacre by Home Army | |
| July 22 | Proclamation of the PKWN Manifesto by Soviet-backed Polish Committee of National Liberation | |
| July 25 | Operation Most III begins on the German V-2 rocket | |
| August | Wola massacre in the opening phase of the Warsaw Uprising | |
| August 1 | Warsaw Uprising begins | |
| October 2 | Warsaw Uprising ends | |
| 1945 | January 26 | Przyszowice massacre |
| February 11 | Yalta Conference concludes | |
| March | Pawłokoma massacre | |
| March 17 | Poland's Wedding to the Sea in Mrzeżyno | |
| March 18 | Poland's Wedding to the Sea in Kołobrzeg |
|
Main article: Polish People's Republic |
| Year | Date | Event |
|---|---|---|
| 1945 | May 8 | End of World War II in Europe |
| June 18–21 | Trial of the Sixteen Polish Underground leaders in Moscow | |
| July 10–25 | Augustów roundup of anti-Communist partisans | |
| August 2 | Potsdam Conference concludes between the Soviet Union, the United Kingdom, and the United States | |
| August 11 | Kraków pogrom with one dead victim | |
| 1946 | June 30 | People's referendum |
| July 4 | Kielce pogrom | |
| 1947 | January 19 | Legislative election rigged, 100,000 ORMO men deployed to intimidate voters |
| February 19 | Adoption of Small Constitution of 1947 | |
| April 28 | Operation Vistula begins | |
| November 24 | Auschwitz trial begins in Kraków | |
| 1950 | July 6 | Signing of the Treaty of Zgorzelec |
| 1951 | July 31 | Trial of the Generals who served in the anti-Nazi resistance during World War II |
| 1952 | July 22 | Adoption of Constitution of the People's Republic of Poland |
| October 26 | First Legislative election by the one-party rule | |
| 1955 | May 14 | Signing of the Warsaw Pact |
| 1956 | March 12 | Death of Bolesław Bierut |
| June 28 | Poznań 1956 protests | |
| October 21 | Polish October, return of Władysław Gomułka | |
| 1957 | Legislative election | |
| 1961 | Legislative election | |
| 1965 | Legislative election | |
| Letter of Reconciliation of the Polish Bishops to the German Bishops | ||
| 1968 | March | Political crisis |
| August 20 | End of Prague Spring with the invasion of Czechoslovakia | |
| 1970 | December 7 | Signing of Treaty of Warsaw; Warschauer Kniefall |
| December 14 | 1970 protests begin | |
| 1978 | October 16 | Election of Pope John Paul II |
| 1980 | Gdańsk Agreement | |
| March 14 | LOT Polish Airlines Flight 007 | |
| August 17 | 21 demands of MKS | |
| 1981 | May 28 | Death of Primate Poland Stefan Wyszyński |
| 1981 | December 13 | Martial law begins |
| 1983 | Solidarity leader Lech Wałęsa receives the Nobel Peace Prize. | |
| July 22 | Martial law ends | |
| 1984 | Father Jerzy Popiełuszko murdered by Polish secret police. | |
| 1989 | April 4 | Signing of the Round Table Agreement |
| April 7 | April Novelization | |
| June 4 | Parliamentary election | |
| July 19 | Lech Walesa becomes President | |
| August 24 | Tadeusz Mazowiecki becomes first non-communist prime minister in the Eastern Bloc | |
| December 31 | The People's Republic of Poland becomes the Republic of Poland |
|
Main article: Republic of Poland |
| Year | Date | Event |
|---|---|---|
| 1990 | May 27 | Local elections |
| November 14 | Signing of German–Polish Border Treaty | |
| November 25 | Presidential election | |
| December 22 | Lech Wałęsa becomes President | |
| 1991 | June 27 | Mława riot after Romani youth kills pedestrian in a hit-and-run |
| July 1 | Dissolution of Warsaw Pact | |
| October 27 | Parliamentary election | |
| 1992 | October 17 | Adoption of Small Constitution |
| December 21 | Signing of Central European Free Trade Agreement | |
| 1993 | September 14 | Lufthansa Flight 2904 |
| September 19 | Parliamentary election | |
| 1994 | May 2 | Poland bus disaster of 1994 |
| June 19 | Local elections | |
| 1995 | November | Presidential election |
| December 23 | Aleksander Kwaśniewski becomes President | |
| 1997 | April 2 | Adoption of Constitution |
| September 21 | Parliamentary election | |
| 1998 | October 11 | Local elections |
| 1999 | January 1 | 16 new voivodeships created in Polish local government reforms |
| 1999 | March 12 | Poland joins NATO |
| 2000 | October 8 | Presidential election |
