1976 Makes his professional debut with Argentinos Juniors, 10 days before his 16th birthday.
1986 Almost single-handedly wins the 1986 World Cup for Argentina, playing every minute of every game, setting up five goals and scoring five. But despite his superlative performances, the tournament is perhaps best remembered for his infamous handball which led to the first goal in the 2-1 victory over England in the quarter-finals.
Late 1980s After joining Napoli for a then world record £6.9m (Dh41.1m), leads the Italian club to two Serie A titles, a Uefa Cup and a Coppa Italia.
1991 Suspended from football for 15 months following a positive test for cocaine while at Napoli.
1994 Sent home from the World Cup in the United States in disgrace after failing a drugs test for ephedrine. He is later banned for 15 months and never plays for country again.
1998 Given a suspended jail sentence of almost three years for shooting into a group of journalists and injuring several with an air rifle four years earlier.
2000 Jointly named Fifa Player of the Century, along with Pele.
2000s Treated for drug and alcohol abuse, reaches 20 stone, has a gastric bypass, suffers a heart attack in 2004 and hepatitis later.
2008 Named Argentina's national coach and leads team to 2010 World Cup.
2009 Italian officials reveal he still owes Italian government €37 million (Dh192.5m) in unpaid taxes.
2010 After Argentina qualify for the World Cup, uses abusive language at the live post-game press conference. Fifa bans him from all forms of football for two months.