First world heavyweight boxing champion
- First black world heavyweight boxing champion
- First african world heavyweight boxing champion
- First american world heavyweight boxing champion
- First african american world heavyweight boxing champion
- Who was the first world heavyweight boxing champion to retire undefeated
- Who is the first world boxing heavyweight champion under the queensberry rules
- Who became the first african american world heavyweight boxing champion
- First black heavyweight boxing champion of the world in 1908
- Which ukrainian became the first undisputed world heavyweight boxing champion in 24 years
- Which ukrainian became the first undisputed world heavyweight boxing champion
- Which ukrainian became the first undisputed world heavyweight boxing champion in 2024
- In 2024 which ukrainian became the first world heavyweight boxing champion in 24 years
- In 1908 who became the first black world heavyweight boxing champion