- Political differences with South Africa led defending champions Nigeria to withdraw, turning what was supposed to be the first 16-nation finals into a 15-team affair won by the hosts.
- The Cup of Nations belatedly became a 16-team tournament in Burkina Faso with suspended Nigeria notable absentees as Egypt lifted the trophy a fourth time.
- Africa will follow Europe and Asia and stage a 24-nation continental championship, introducing a round of 16 and expanding the number of matches from 32 to 52.
The Africa Cup of Nations will be contested by a record 24 teams in Egypt this month, up from just three when the tournament debuted 62 years ago.
There were supposed to be four nations at the inaugural 1957 championship in Sudan, but South Africa refused to field a multiracial team and were disqualified.
Egypt became the first African champions after winning just two games -- to succeed in 2019 a team must play seven matches.
Former African Footballer of the Year and Mali forward Frederic Kanoute has mixed views about a 33 percent increase in the number of title hopefuls.
"On the one hand, it is good for more nations to take part and have a chance to show their skills to Africa and the world," he told reporters during a recent visit to Zambia.
"But the level of competition could drop a little bit with nearly half the football nations of Africa taking part. We have to see how it goes."
Here, AFP Sport traces the growth of the Cup of Nations from a tournament that attracted little interest even in Africa to one drawing worldwide TV audiences.