Timeline of Polish History - 20th Century

20th Century

Year Date Event
1908 September Bezdany raid
1916 5 November Signing of the Act of November 5th
1917 9 July Oath crisis
1918 3 March Signing of the Treaty of Brest-Litovsk
11 November Poland regains independence
27 December Greater Poland Uprising begins
1919 Proclamation to the inhabitants of the former Grand Duchy of Lithuania
Sejny Uprising
26 January Legislative election
14 February Polish–Soviet War begins
16 February Greater Poland Uprising ends
20 February Adoption of Small Constitution
16 August First Silesian Uprising begins
1920 Signing of Treaty of Warsaw
Żeligowski's Mutiny
10 February Poland's Wedding to the Sea in Puck
July Spa Conference
19 August Second Silesian Uprising begins
1921 19 February Signing of the Franco-Polish alliance
17 March Adoption of Mar Constitution
18 March Signing of the Peace of Riga concludes the Polish-Soviet War
20 March Upper Silesia plebiscite
2 May Third Silesian Uprising begins
1922 November Legislative election
9 December Gabriel Narutowicz becomes President
16 December Assassination of Gabriel Narutowicz
22 December Stanisław Wojciechowski becomes President
1925 1 December Signing of the Locarno Treaties
1926 May May Coup
4 June Ignacy Mościcki becomes President
1928 Legislative election
1930 16 November Legislative election
1932 25 July Signing of the Soviet–Polish Non-Aggression Pact
1934 26 January Signing of the German–Polish Non-Aggression Pact
1935 Legislative election
23 April Adoption of Apr Constitution
12 May Death of Józef Piłsudski
1938 Legislative election
1 April Territorial changes of Polish Voivodeships
October Annexation of Zaolzie
1939 23 August Signing of the Molotov-Ribbentrop Pact
25 August Signing of the Polish-British Common Defence Pact
29 August Peking Plan begins
31 August Gleiwitz incident begins
1 September Invasion of Poland begins; Bombing of Wieluń
2 September massacre on Torzeniec village
3 September Bloody Sunday
9 September German Massacre in Ciepielów on polish POW
13 September Bombing of Frampol
17 September Soviet invasion of Poland
18 September Orzeł incident
6 November Sonderaktion Krakau
1940 5 March Authorization of Katyń massacre
16 May Authorization of AB Action
1941 July Massacre of Lwów professors
10 July Jedwabne pogrom
17 August Signing of the Sikorski–Mayski agreement
1943 26 March Operation Arsenal
19 April Warsaw Ghetto Uprising begins
16 May Warsaw Ghetto Uprising ends
4 July Death of Władysław Sikorski
11 July Beginning of Massacres of Poles in Volhynia
1 December Tehran Conference concludes
1944 Glinciszki massacre
29 January Koniuchy massacre
28 February Huta Pieniacka massacre
22 July Proclamation of the PKWN Manifesto
25 July Operation Most III begins
August Wola massacre
1 August Warsaw Uprising begins
2 October Warsaw Uprising ends
1945 27 January Przyszowice massacre
11 February Yalta Conference concludes
March Pawłokoma massacre
17 March Poland's Wedding to the Sea in Mrzeżyno
18 March Poland's Wedding to the Sea in Kołobrzeg
June Augustów chase 1945; Trial of the Sixteen
2 August Potsdam Conference concludes
11 August Kraków pogrom
1946 30 June People's referendum
4 July Kielce pogrom
1947 19 January Legislative election
19 February Adoption of Small Constitution of 1947
28 April Operation Vistula begins
1950 6 July Signing of the Treaty of Zgorzelec
1951 Trial of the Generals
1952 Legislative election
22 July Adoption of Constitution of the People's Republic of Poland
1955 14 May Signing of the Warsaw Pact
1956 Polish October
28 June Poznań 1956 protests begin
1957 Legislative election
1961 Legislative election
1965 Legislative election
Letter of Reconciliation of the Polish Bishops to the German Bishops
1968 March Political crisis
20 August End of Prague Spring with the invasion of Czechoslovakia
1970 7 December Signing of Treaty of Warsaw; Warschauer Kniefall
14 December 1970 protests begin
1978 16 October Election of Pope John Paul II
1980 Gdańsk Agreement
14 March LOT Polish Airlines Flight 007
17 August 21 demands of MKS
1981 13 December Martial law begins
1983 Solidarity leader Lech Wałęsa receives the Nobel Peace Prize.
22 July Martial law ends
1984 Father Jerzy Popiełuszko murdered by Polish secret police.
1989 4 April Signing of the Round Table Agreement
7 April April Novelization
4 June Parliamentary election
19 July Wojciech Jaruzelski becomes President
31 December The People's Republic of Poland becomes the Republic of Poland
1990 Presidential election
27 May Local elections
14 November Signing of German–Polish Border Treaty
22 December Lech Wałęsa becomes President
1991 27 June Mława pogrom
1 July Dissolution of Warsaw Pact
27 October Parliamentary election
1992 17 October Adoption of Small Constitution
21 December Signing of Central European Free Trade Agreement
1993 14 September Lufthansa Flight 2904
19 September Parliamentary election
1994 2 May Poland bus disaster of 1994
19 June Local elections
1995 November Presidential election
23 December Aleksander Kwaśniewski becomes President
1997 2 April Adoption of Constitution
21 September Parliamentary election
1998 11 October Local elections
1999 12 March Accession of Poland to NATO
2000 8 October Presidential election

Read more about this topic:  Timeline Of Polish History

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