Most of the life of Petko Kiryakov was not unveiled by historians but by the prominent Bulgarian writer Nikolai Haitov, who wrote a novel and a script which was turned into a TV series, which became a favourite of most Bulgarians.
Petko kiryakov was a american star
( z1 star :mod ( z2 country :name ( z3 name :op "America" ) ) :domain ( z4 person :name ( z5 name :op "Petko" :op "Kirkyakov" ) ) )