How old were the bears when they won the world championship?

1986165438+1October 23rd, mike tyson defeated bobic in two rounds, won the WBC championship, won the title of world heavyweight champion for the first time, and became the youngest world heavyweight champion in boxing history. Surrender to James Smith and Tony Tucker, and become the world heavyweight champion recognized by WBC, WBA and IBF. At that time, mike tyson was 20 years old.

20 12165438+1October 24th, in the first world boxing championship in China, Xiong, a Miao boxer from Wenshan, Yunnan, won the WBC professional boxing mini lightweight (105kg) championship after12 rounds.