The World Boxing Championship, organized by the International Boxing Association (AIBA), is a biennial amateur boxing competition. It was formerly known as the World Amateur Boxing Championship.
The championship started in 1974 Havana, Cuba as a men’s only sport but later opened up for women 25 years later in 2001. The competitions are hosted separately with the men’s and women’s occurring in alternating years.
At first, there were 12 different categories. In 2003 the light middleweight division (~71 kg) was eliminated. In 2011, the featherweight division (~57 kg) was removed. The remaining categories are flyweight (~49 kg), bantamweight, lightweight, light welterweight, welterweight, middleweight, light heavyweight, heavyweight , and super heavyweight.