Though known mostly as one of the closest associates of Vasil Levski and a dedicated fighter for national liberation, there was actually much more to Father Matey Preobrazhenski (1828–1875) than his revolutionary efforts. Little is known about..
Bulgaria's President Rumen Radev took part in the solemn ceremony of registering Bulgarian discoverers and inventors in the Golden Book of Bulgaria's Patent Office. The Golden Book was introduced in 1981 and opens once a year to be filled with the..