Cickini is an early Christian church constructed in the 6th century AD, maybe at a location of a Roman village that dates to the 1st century. The bishop of Krk used the location as a temporary refuge. It is believed to have been abandoned after the 9th century. In addition to the church there is a 2,500 sq meter residential complex that has yet to be excavated.
The remains of church was discovered in 2002. A small museum dedicated to the site is located in Sveti Vid. The museum contains artifacts that have been excavated from the site, including tablets.
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.