The Colosseum (Flavian Amphitheatre) in Rome is the most famous ancient amphitheater. It was capable of holding up to 50,000 spectators and was the prime venue for gladiatorial contests and public spectacles.

Canadian sprinter Ben Johnson won the 100m final at the 1988 Seoul Olympics in world-record time but was stripped of his medal three days later after testing positive for the anabolic steroid stanozolol.

While 'Game of the Century' has been applied to a famous 1956 game by Bobby Fischer, in the modern era, the 1999 game between Garry Kasparov and Veselin Topalov at Wijk aan Zee is often cited as one of the greatest chess games ever played.

Brazilian legend Pelé is the only football player in history to have won three FIFA World Cups (1958, 1962, and 1970). He is widely regarded as one of the greatest players of all time.

Muhammad Ali, born Cassius Marcellus Clay Jr., is widely regarded as one of the most significant and celebrated sports figures of the 20th century. He changed his name after joining the Nation of Islam in 1964.

The first officially recognized Test match began on March 15, 1877, between Australia and England at the Melbourne Cricket Ground (MCG). Australia won the match by 45 runs.

The Walker Cup is a golf trophy contested biennially by leading amateur golfers from the United States and Great Britain & Ireland.

The Santosh Trophy is a state-level national football competition in India, contested by the state associations and government institutions.

The Mosconi Cup is an annual nine-ball pool tournament contested between teams representing Europe and the United States, similar in format to the Ryder Cup in golf.

The Bledisloe Cup is the trophy awarded to the winner of the rugby union matches played between the national teams of Australia (Wallabies) and New Zealand (All Blacks).