Polish legislative election, 1938 that lasted from 6 to 11 November was the last elections in the Second Polish Republic. Obóz Zjednoczenia Narodowego (Camp of National Unity) - coalition of Sanacja faction - won with 164 (or 161) seats in the 230 (or 208) Sejm (parliament) and all 64 in the Senate of Poland, thanks to the April Constitution, drafted by and favouring the the Sanacja faction. The rest of the seats (47) went to non-party members, many of them from ethnic minorities (primarily Polish Jews and Ukrainians). Anthem: Mazurek DÄ browskiego Capital Warsaw Language(s) Polish Government Republic President List Prime minister List Legislature Sejm Historical era Interwar period - World War I November 11, 1918 - Invasion November 2, 1939 Area - 1939 388,600 km2 150,039 sq mi Population - 1939 est. ... Obóz Zjednoczenia Narodowego (Camp of National Unity), abbreviated as OZN and often reffered to as Ozon (Polish for ozone) was a political party of the Sanacja movement created in 1937. ... Flag of the Chief of State (1919-1927) Sanacja was a coalition political movement of the Second Polish Republic in the inter war years. ... The Sejm building in Warsaw. ... The Polish Senate The Senate (Senat) is the upper house of the Polish parliament. ... The April Constitution of Poland ( Polish Ustawa konstytucyjna 23 IV 1935) was the general law passed by the act of the Polish Sejm on April 23, 1935. ... From the Middle Ages until the Holocaust, Jews were a significant part of the Polish population. ...