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.
Type VII U-boats were the most common type of German World War II U-boat.
Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a federal parliamentary republic in western-central Europe.
New!!: German submarine U-133 and Germany ·
Laying the keel, or laying down is the formal recognition of the start of a ship's construction.
A submarine is a watercraft capable of independent operation underwater.
New!!: German submarine U-133 and Submarine ·
World War I (WWI or WW1), also known as the First World War or the Great War, was a global war centered in Europe that began on 28 July 1914 and lasted until 11 November 1918.
World War II (WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, though related conflicts began earlier.