Politics of the Second Polish Republic

Sanation (, ) was a Polish political movement that emerged in the interwar period, prior to Józef Piłsudski's May 1926 ''Coup d'État, and gained influence following the coup. In 1928, its political activists went on to form the Nonpartisan Bloc for Cooperation with the Government (BBWR'').

Prometheism or Prometheanism () was a political project initiated by Józef Piłsudski, a principal statesman of the Second Polish Republic from 1918 to 1935. Its aim was to weaken the Russian Empire and then the Soviet Union, by supporting nationalist independence movements among the major non-Russian peoples that lived within the borders of Russia and the Soviet Union.

1920 and 1945 ceremonies giving back access to the Baltic Sea for Poland

Political unrest in Poland in 1923

Polish head of state, 1918-1922

thumb|Polish military settler from Osada Krechowiecka in the Wołyń Voivodeship (1921–39)|Wołyń Voivodeship, 1928 Osadniks (, "settler/settlers, colonist/colonists") were veterans of the Polish Army and civilians who were given or sold state land in the Kresy (current Western Belarus and Western Ukraine) territory ceded to Poland by Polish-Soviet Riga Peace Treaty of 1921 (and occupied by the Soviet Union in 1939 and ceded to it after World War II). The Polish word was also a loanword that was used in the Soviet Union.

Group that governed Poland, 1926–1939

national parliament (Sejm) of the Second Polish Republic