ru %D0%A7%D0%B5%D0%BC%D0%BF%D0%B8%D0%BE%D0%BD%D0%B0%D1%82 %D0%91%D0%BE%D0%BB%D0%B3%D0%B0%D1%80%D0%B8%D0%B8 %D0%BF%D0%BE %D1%84%D1%83%D1%82%D0%B1%D0%BE%D0%BB%D1%83 1974 %D0%A4%D0%B0%D0%B9%D0%BB:Flag of Bulgaria (1971%E2%80%931990).svg