Share This Article 1. During World War Two, Sweden returned hundreds of interned Allied airmen in exchange for this. Ten B-17 bombers Trading rights across the Baltic Sea $1000 in gold per airman Interned Swedish citizens 2. This was the first submarine adopted for use by the U.S. Navy. USS Nautilus USS Alligator USS Turtle USS Duck 3. The first monument memorializing a Civil War battle was built in this year. 1888 1914 1865 1890 Loading …