Type U 127 submarine was a class of U-boats built during World War I by the Kaiserliche Marine.
The Type UB III submarine was a class of U-boat built during World War I by the German Imperial Navy.
Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.
Hastings is a town and borough in East Sussex on the south coast of England, east of the county town of Lewes and south east of London.
Laying the keel or laying down is the formal recognition of the start of a ship's construction.
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.