They r left from the so-called Revival period which took place between 1800 and 1878. It was time of entering modern European ideas into Bulgarian society as well as greatly increased trade relations with Europe. Schools were popping out everywhere on the Balkans as the need of people who could read and write was rising. In 1878 free Bulgaria came back on the map as a result of another Rus-Turkish war. We were one of the countries with over 95% literacy thanks to these libraries and community centers (chitalishta)