After the regicide of his half brother King Alexander and his consort Queen Draga in 1903 the throne of Serbia was offered to Prince Peter Karageorgevich whose family had a decades long feud with the Obrenović's over the throne.
In 1906, three years after the death of his half brother and the accession of King Peter Karageorgevich, George made an unsuccessful attempt to gain the throne of Serbia [REF].