Ludwig II (25 August 1845 – 13 June 1886) was King of Bavaria

Kingdom of Bavaria

The Kingdom of Bavaria was a German state that existed from 1806 to 1918. The Bavarian Elector Maximilian IV Joseph of the House of Wittelsbach became the first King of Bavaria in 1806 as Maximilian I Joseph. The monarchy would remain held by the Wittelsbachs until the kingdom's dissolution in 1918...

 from 1864 until shortly before his death. He is sometimes called the Swan

Swan

Swans, genus Cygnus, are birds of the family Anatidae, which also includes geese and ducks. Swans are grouped with the closely related geese in the subfamily Anserinae where they form the tribe Cygnini. Sometimes, they are considered a distinct subfamily, Cygninae...

 King (English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

) and der Märchenkönig, the Fairy tale

Fairy tale

A fairy tale is a type of short story that typically features such folkloric characters, such as fairies, goblins, elves, trolls, dwarves, giants or gnomes, and usually magic or enchantments. However, only a small number of the stories refer to fairies...

 King (German

German language

German is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....

). Additional titles were Count Palatine of the Rhine, Duke of Bavaria, Franconia and in Swabia.

Ludwig is sometimes also called "Mad King Ludwig", though the accuracy of that label has been disputed.