F1. 1990, Ayrton Senna's Controversial Title

10 unforgettable Ayrton Senna moments

Atlas F1: The Formula One World Championship Timeline

Hall of fame: Ayrton Senna – Beco

3 F1 Championships that had a controversial ending

The Japanese GP: Often the scene of title deciders — and controversy - The Japan Times

F1 Season Reviews Reviewed: 1990. Ayrton Senna described 1990 in…, by Steven Wood, Formula One Forever

32 years of controversial duel between Prost and Senna at Japanese GP - Ayrton Senna

THE AYRTON SENNA F1 FAN CLUB

On this day in 1991 Ayrton Senna won his third an final f1 title. : r/ formula1

Most controversial F1 deciders: 1990 Japan, 1994 Australia & more

Japan 1989. – Prost wins his third title after controversial clash with Senna