Claim: Manny Pacquiao got his very first title, WBC Flyweight, on 12-04-1998 in his fight against Chatchai Sasakul of Thailand.
Evidence: On December 4, 1998, at the age of 19, he won his first major title, the World Boxing Council (WBC) flyweight title. Chatchai Sasakul (Thai: ฉัตรชัย สาสะกุล; RTGS: Chatchai Sasakun; born February 5, 1970) is a Thai former professional boxer in the flyweight division who held the Lineal and WBC flyweight titles. Sasakul turned pro in 1991 and captured the WBC and lineal flyweight titles with a win over Yuri Arbachakov in 1997. He defended the titles twice before losing to Manny Pacquiao by knockout in 1998 to earn Pacquiao his first championship title.