Type 93 was a class of U-boats built during World War I by the Kaiserliche Marine.
Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.
La Spezia (A Spèza in the local dialect of Spezzina), at the head of the Gulf of La Spezia in the southern part of the Liguria region of Northern Italy, is the capital city of the province of La Spezia.
A submarine (or simply sub) is a watercraft capable of independent operation underwater.
The Type IX U-boat was designed by Nazi Germany's Kriegsmarine in 1935 and 1936 as a large ocean-going submarine for sustained operations far from the home support facilities.
World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.