On May 18, 2019 was held Fifteenth European Night of Museums and Galleries. For the sixth time, Tuida Fortress joined this cultural event. The Joint Initiative of the Museums and the Municipality of Sliven "Night of the Museums" took place with the support of:
1.Turator VIP-Sliven Ltd. www.VisitSliven.com www.VisitBulgariaOn.com; www.BestBulgariaDeals.com; www.MeOnTour.com
2. Doris Transport and Tourism Company http://www.doris-bg.com/
3. GLOBUS EU Travel Agency - https://www.globuses.com/
4. Helikon Bookshop https://m.helikon.bg/
5. Gift House "Fortuna" https://www.facebook.com/fortuna.sliven/posts/
6. "Fantasy" Sweets House https://torti.fantazia-bg.com/catalog-torti/
7. Museum vouchers
Thanks to the sponsors who supported the initiative and provided part of the prizes in the festive raffle.