The Chronicle of the Czechs featured for the first time in nine transcripts! Uncover the secrets of rare copies of the Kosmas´s Chronicle that formed the medieval society. The main exhibition will open on September 25, 2025 in the Mirror Chapel and will last only a month. The Mirror Chapel will house almost all surviving medieval manuscripts of the Kosmas´s Chronicle, including the rare Leipzig manuscript with the only surviving depiction of the author. The exhibits will also be supplemented by documents from the collections of the National Library of the Czech Republic. The exhibition is part of the unique exhibition project KOSMAS 900. date and time Opening hours 10:00 – 17:30 (last entrance) Admission Tickets on Goout portal Tickets for school´s and other groups (over 10 persons) order by e-mail hana.vajnerova@nkp.cz. Hours reserved for these groups from 8:00 to 10:00 only.