U-8 may refer to one of the following German submarines:
Germany, officially the Federal Republic of Germany, is a country in Central and Western Europe, lying between the Baltic and North Seas to the north, and the Alps to the south. It borders Denmark to the north, Poland and the Czech Republic to the east, Austria and Switzerland to the south, France to the southwest, and Luxembourg, Belgium and the Netherlands to the west.
- SM U-8, a Type U 5 submarine launched in 1911 and that served in the First World War until sunk on 4 March 1915
- During the First World War, Germany also had these submarines with similar names:
- SM UB-8, a Type UB I submarine launched in 1915; transferred to Bulgaria on 25 March 1916; surrendered on 25 February 1919; broken up at Bizerte in August 1921
- SM UC-8, a Type UC I submarine launched in 1915 and grounded on 4 November 1915
SM UC-8 was a German Type UC I minelayer submarine or U-boat in the German Imperial Navy during World War I. The U-boat had been ordered by November 1914 and was launched on 6 July 1915. She was commissioned into the German Imperial Navy on 5 July 1915 as SM UC-8. Mines laid by UC-8 in her one patrol are not known to have sunk any ships. UC-8 ran aground on the Dutch coast near Terschelling on 4 November 1915. Interned by the Dutch, UC-8 was purchased and commissioned into the Dutch Navy as M-1. The submarine was broken up in 1932.
The Type UC I coastal submarines were a class of small minelaying U-boats built in Germany during the early part of World War I. They were the first operational minelaying submarines in the world. A total of fifteen boats were built. The class is sometimes also referred to as the UC-1 class after SM UC-1, the class leader.
The Type UB I submarine was a class of small coastal submarines (U-boats) built in Germany at the beginning of the First World War. 20 boats were constructed, most of which went into service with the German Imperial Navy. Boats of this design were also operated by the Austro-Hungarian Navy and the Bulgarian Navy. In the Austro-Hungarian Navy, it was called the U-10 class.
Bulgaria, officially the Republic of Bulgaria, is a country in Southeast Europe. It is bordered by Romania to the north, Serbia and North Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. The capital and largest city is Sofia; other major cities are Plovdiv, Varna and Burgas. With a territory of 110,994 square kilometres (42,855 sq mi), Bulgaria is Europe's 16th-largest country.
Bizerte or Bizerta, the classical Hippo, is a town of Bizerte Governorate in Tunisia. It is the northernmost city in Africa, located 65 km (40mil) north of the capital Tunis. It is one of the oldest known settlements in Tunisia, having been founded by settlers from the Phoenician port of Sidon around 1100 BC. It is also known as the last town to remain under French control after the rest of the country won its independence from France. The city had 142,966 inhabitants in 2014.
- During the First World War, Germany also had these submarines with similar names:
- German submarine U-8 (1935), a Type IIB submarine that served in the Second World War and was scuttled on 2 May 1945
- German submarine U-8 (S187), a Type 205 submarine of the Bundesmarine that was launched in 1964 and scrapped in 1974
World War I, also known as the First World War or the Great War, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. Contemporaneously described as "the war to end all wars", it led to the mobilisation of more than 70 million military personnel, including 60 million Europeans, making it one of the largest wars in history. It is also one of the deadliest conflicts in history, with an estimated nine million combatants and seven million civilian deaths as a direct result of the war, while resulting genocides and the 1918 influenza pandemic caused another 50 to 100 million deaths worldwide.
SM UB-8 was a German Type UB I submarine or U-boat in the German Imperial Navy during World War I. She was sold to Bulgaria in 1916 and renamed Podvodnik No. 18, and was the first ever Bulgarian submarine.
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