When was the navy that was donated the LKL "Kursis" (M51) by Germany established?
LKL Kuršis (M51) LKL "Kursis" (M51) is a minehunter of the Lithuanian Naval Force. Built in West Germany in 1958 as "Marburg" (M1080), a "Lindau"-class (or Type 320) minesweeper for the German Navy, she was upgraded to a Type 331 minehunter in the 1970s. Germany donated "Marburg" in 2001 to the Lithuanian Naval Force, which renamed the ship "Kursis". The vessel augmented the Squadron of Mine-hunters, which had been established in 1999 with the similar donation of sister ship "Koblenz", which became "Sūduvis" (M52) .
German submarine U-2525 German submarine "U-2525" was a Type XXI U-boat (one of the ""Elektroboote"") of Nazi Germany's "Kriegsmarine", built for service in World War II. She was ordered on 6 November 1943, and was laid down on 13 September 1944 at the Blohm & Voss yard at Hamburg, as yard number 2525. She was launched on 30 October 1944, and commissioned under the command of "Kapitänleutnant" Paul-Friedrich Otto, on 12 December 1944.