Question: When was the navy that was donated the LKL "Kursis" (M51) by Germany established?
Sentence (from "LKL Kuršis (M51)"): 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.
Relevant evidence: No