World War II Technology  mid 1930s - 1940s The German Navy: The Enigma Machine (1935) Konrad Zuse: The Z1 and Z2 (1936) The British Secret Service: The Colossus Machine (1939) John Mauchly and J. Presper Eckert: The ENIAC (1946) 1936 Civil war breaks out in Spain. 1939 World War II begins following Germany's invasion of Poland. 1943 Rodgers and Hammerstein's musical play Oklahoma! opens on Broadway. 1948 State of Israel is proclaimed. Churchill & British Poster, courtesy of University of British Columbia Nazi Poster, courtesy of NSDAP Museum, http://www.nsdapmuseum.com Photo of Hitler, courtesy of Bellingham Antique Radio Museum Colossus and Enigma, courtesy of Bletchley Park Cullen Grissom