Original: To date, he remains the only driver ever to win the Indianapolis 500 (1969), Daytona 500 (1967) and the Formula One World Championship, and, along with Juan Pablo Montoya, the only driver to have won a race in the NASCAR Sprint Cup Series, Formula One, and an Indianapolis 500. No American has won a Formula One race since Andretti's victory at the 1978 Dutch Grand Prix.
Simplified: He won the 1978 Formula One championship and won the 1967 Daytona 500.