The cemetery was built for the near Pitkäniemi mental hospital. Total of 426 patients were buried to the cemetery between 1902-1964 before it was abandoded. Because the human dignity of mental patients was not very high 100 years ago, only small tombstones or no tombstone att all were added to graves. The chapel was burned down more than half century ago.
There are also some remains of old trenches near the cemetery. Those were built by the Russian army during the First World War to defence Finland against the potential occupation of Germany.
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.