- ...that the National Art Gallery of Bulgaria (pictured) occupies the Neo-Baroque 19th-century edifice of the former royal palace?
- ... that Petar Zhekov, a European Golden Boot winner, is the highest Bulgarian football division's top overall goalscorer?
- ... that Bulgaria became the country to introduce the Cyrillic alphabet in the European Union when it acceded to that organization on 1 January 2007?
- ...that the Largo, a Socialist Classicism complex in central Sofia, Bulgaria, accommodates a number of state institutions?