On 03.07.2021 the museums and galleries from Sliven again celebrated the European Night of Museums. The program of the event included 9 museum sites in the city, and a joint adventure game "Discover Sliven" was organized for the participants. Games for children and adults, creative workshops, raffles, prizes, etc. were provided. The initiatives ended with a raffle at the First State Textile Factory.
In the Tuida Fortress the visitors could enjoy the concert of the folklore formations at the Chitalishte "Hadji Dimitar" Sliven, as well as to check their accuracy with a bow.