Ayrton Senna won the 1993 Australian Grand Prix which was his 41st and last career victory in his last race for McLaren, where he won all of his three drivers' championship.

Japanese GP was the decisive championship race between Senna and Prost, who were driving for McLaren Honda that year. Their car MP4-4 was a class of the field and the duo Senna Prost won 15 of 16 races in 1988.

Three Formula 1 drivers became champions od 21st October - Niki Lauda (1984), Ayrton Senna (1990) and Kimi Raikkonen (2007).

Ayrton Senna has won the third and final F1 drivers' championship on this day in 1991 after beating Nigel Mansell in Williams at Suzuka, who was his only opponent in the fight for the title.

Alain Prost won his 51st and final F1 race on this day in 1993, after his team mate Hill had a puncture in a penultimate lap.

Ayrton Senna won in Monaco for the fifth time on this day in 1992 when he halted Mansell's record of five wins at the start of the 1992 F1 season, which will be equaled by Michael Schumacher in 2004 but also stopped in the same race.

On this day in 1993, Ayrton Senna produced one of the most memoriable laps in motorsport history when he overtook four drivers in opening lap of 1993 European GP to take the lead

Ayrton Senna’s team-mate in British Formula 3 Martin Brundle recalled his personality on and off the track, describing him as a contradictory character because he was a completely different person off the track.

On October 22nd Fernando Alonso (2006) and Alain Prost (1989) won drivers' championship

Alain Prost, Ayrton Senna and Michael Schumacher have been standing together on a podium on this day in 1993 at the Spanish GP in Barcelona.