Petar Mladenov, Bulgarian diplomat, 1st President of Bulgaria (b. 1936)
Petar Toshev Mladenov (Bulgarian: Петър Тошев Младенов; 22 August 1936 – 31 May 2000) was a Bulgarian communist diplomat and politician. He was the last leader of the Bulgarian People's Republic from 1989 to 1990, and briefly the first President of the Bulgarian Republic in 1990.