German submarine U-20 was a Type IIB U-boat of Nazi Germany's Kriegsmarine. Her keel was laid down on 1 August 1935, by Germaniawerft of Kiel as yard number 550. She was commissioned on 1 February 1936. During World War II, she conducted... Wikipedia
Builders: Friedrich Krupp Germaniawerft and Galați shipyard
Launched: January 14, 1936