John Surtees (England) won the 1964 Formula One World Championship with 40 points, one more than his season rival, Graham Hill.
In the process he became the only man to win the Formula One World Championship and a championship in Grand Prix Motorcycle Racing.
Sebastian Vettel won the Drivers' Championship in 2011.
Bobby Nichols won the 1964 PGA Championship.
John Surtees who won the championship that year was born in England
Richard Petty won the Nascar Grand National Series championship in 1964.
Sjoukje Dijkstra of the Netherlands won the World Championships and the gold medal at the Winter Olympics in 1964.
DWS won the Netherlands League championship in 1964.
The Boston Celtics won the 1964 NBA championship by defeating the San Francisco Warriors in the final of 5 games.
John Surtees won both the 500cc World Championship (1956, 1958, 1959 and 1960) and the Formula One World Championship (1964). To date, he remains the only driver to win a World Championship on both rwo and four wheels.
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He won his first World championship in 1997. Won the 250cc world championship in 1999. He won the 500cc World Championship with Honda in 2001.Won the MotoGP World Championship with Honda in 2002 and 2003. He also won in 2004 and 2005 and in 2008 and 2009.
fernando alonso won the 2004 world championship.
Technically yes in 1964