What is East Prussia?
{{Infobox Former Subdivision |native_name = {{lang|de|Ostpreußen}} |conventional_long_name = East Prussia |common_name = East Prussia |subdivision = [[Provinces of Prussia|Province]] |nation = the [[Kingdom of Prussia]] <small>(until 1918)</small> and the [[Free State of Prussia]] |image_map_caption = East Prussia in the [[German Empire]]. |life_span = 1772–1829<br/>1878–1945 |year_start = 1773 |event_start = [[First Partition of Poland|Created]] |date_start = 31 January |year_end = 1945 |event_end = [[Battle of Königsberg|Soviet capture]] |capital = [[Königsberg]] |event1 = Province of Prussia |date_event1 = 3 December 1829 |event2 = Province restored |date_event2 = 1 April 1878 |p1 = Duchy of Prussia |flag_p1 = Flag of Ducal Prussia.svg |s1 = Soviet Union |s2 = Polish People's Republic |flag_s1 = Flag of the Soviet Union.svg |flag_s2 = Flag of Poland (1928-1980).svg |flag_s3 = Flagge Preußen - Provinz Ostpreußen.svg |image_flag = Flagge Preußen - Provinz Ostpreußen.svg |image_coat = Coat of Arms of East Prussia.svg |image_map = German Empire - Prussia - East Prussia (1878).svg |stat_area1= 36993 |stat_year1=1905 |stat_pop1 = 2025741 |today = {{flag|Lithuania}}<br>{{flag|Poland}}<br>{{flag|Russia}} }} '''East Prussia''' (German: ''Ostpreußen''; Polish: ''Prusy Wschodnie''; Lithuanian: ''Rytų Prūsija''; Latin: ''Borussia orientalis''; Russian: Восточная Пруссия, ''Vostochnaya Prussiya'') was a [[province]] in the [[Kingdom of Prussia]] from 1773 to 1829. From 1878 to 1918, it was part of the [[German Empire]]. From 1918 until 1945, it was a part of the [[Weimar Republic]]'s [[Free State of Prussia]]. It's capital was [[Königsberg]]. After the defeat of [[Nazi Germany]] in [[World War II]], the area was divided into to the [[Soviet Union]] ([[Russian Soviet Federative Socialist Republic|Russian SFSR]], and [[Lithuanian Soviet Socialist Republic|Lithuanian SSR]]) and [[Polish People's Republic|Poland]] ([[Warmian-Masurian Voivodeship]]).<ref>{{cite web|url=http://www.ruf.rice.edu/~sarmatia/195/davies2.html|title=