Manuscript of Zelená Hora

The Dvůr Králové and Zelená Hora manuscripts (Czech: Rukopis královédvorský, RK and Rukopis zelenohorský, RZ), also called the Queen's Court manuscript and Green mountain manuscript, are two purported medieval manuscripts of poetry in Old Czech which turned out to be literary hoaxes.

There were early suspicions about them, especially of the second manuscript by Josef Dobrovský and others, but the inauthenticity of both was not decisively established until 1886 in a series of articles in Tomáš Masaryk's Athenaeum () magazine.

The first manuscript is abbreviated RK for short, after its Czech name Rukopis královédvorský, and the second is likewise abbreviated RZ; also RKZ stands collectively for both manuscripts.

The first, Dvůr Králové manuscript, also called the "Queen's Court manuscript" was claimed by Václav Hanka to have been discovered by him in 1817 at Dvůr Králové nad Labem (Queen's Court) in Bohemia. The original texts written in Old Czech were published by Hanka in 1818, and a German version appeared the next year.

The latter, which eventually became known as the Zelená Hora manuscript or "Green mountain manuscript" was 1819, named after the castle it was purportely discovered in.

It had been mailed anonymously in 1818,p addressed to Franz, Count Kolowrat-Liebsteinsky, at the Bohemian Museum, the Count being Lord High Castellan (Oberst-Burggraf) of Prague, and backer of the newly founded museum.

It was later uncovered that the sender was one Josef Kovář, who served as Rentmeister () to Count Colloredo. This Count was the owner of the Zelená Hora Castle ("Green Mountain Castle"), and Kovář allegedly discovered the manuscript at this master's castle in Nepomuk in 1817.

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