When was the navy that was donated the LKL "Kursis" (M51) by Germany established?
Lithuanian Naval Force The Lithuanian Navy is the naval arm of the Lithuanian Armed Forces. Though formally established on 1 August 1935 its roots stretch back as far as naval engagements on the Baltic Sea in the Medieval period. Lithuanian naval units saw some service with Soviet naval forces during World War II, and the navy has been re-established in its own right and continues to expand since Lithuania's independence in 1990.
German submarine U-48 (1939) German submarine "U-48" was a Type VIIB U-boat of Nazi Germany's "Kriegsmarine" during World War II, and the most successful that was commissioned. During her two years of active service, "U-48" sank 55 ships for a total of 321,000 tons; she also damaged two more for a total of 12,000 tons over twelve war patrols conducted during the opening stages of the Battle of the Atlantic.