The Rök Runestone is one of the most famous runestones, featuring the longest known runic inscription in stone. It is considered the first piece of written Swedish literature and thus it marks the beginning of the history of Swedish literature.
The stone was discovered built into the wall of the church in the 19th century and removed from the church wall a few decades later. The church was built in the 12th century, and it was common to use rune stones as building material for churches. The stone was probably carved in the early 9th century, judging from the main runic alphabet used ("short-twig" runes) and the form of the language. It is covered with runes on five sides, all except the base part that was to be put under ground. A few parts of the inscription are damaged, but most of it remains readable.
The name "Rök Stone" is something of a tautology: the stone is named after the village, "Rök", but the village is probably named after the stone, "Rauk" or "Rök" meaning "skittle-shaped stack/stone" in Old Norse.
The stone is unique in a number of ways. It contains a fragment of what is believed to be a lost piece of Norse mythology. It also makes a historical reference to Ostrogothic king (effectively emperor of the western Roman empire) Theodoric the Great. It contains the longest extant pre-Christian runic inscription - around 760 characters, and it is a virtuoso display of the carver's mastery of runic expression.
The inscription is partially encrypted in two ways; by displacement and by using special cipher runes. The inscription is intentionally challenging to read, using kennings in the manner of Old Norse skaldic poetry, and demonstrating the carver's command of different alphabets and writing styles (including code). The obscurity may perhaps even be part of a magic ritual.
References:The Clementinum is a historic complex of buildings in Prague. Until recently the complex hosted the National, University and Technical libraries, the City Library also being located nearby on Mariánské Náměstí. The Technical library and the Municipal library have moved to the Prague National Technical Library at Technická 6 since 2009. It is currently in use as the National Library of the Czech Republic.
Its history dates from the existence of a chapel dedicated to Saint Clement in the 11th century. A Dominican monastery was founded in the medieval period, which was transformed in 1556 to a Jesuit college. In 1622 the Jesuits transferred the library of Charles University to the Klementinum, and the college was merged with the University in 1654. The Jesuits remained until 1773, when the Klementinum was established as an observatory, library, and university by the Empress Maria Theresa of Austria.