- Dutch Grand Prix
- Andretti all but secures title with sixth win
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August 27, 1978: Mario Andretti overcame near exhaustion to win the Dutch Grand Prix, his sixth win of the campaign and a result which meant the drivers' title was almost certainly his
- Austrian Grand Prix
- Peterson cuts lead as Andretti crashes out
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August 13, 1978: Ronnie Peterson won the Austrian Grand Prix after a chaotic start caused by a sudden downpour just as the race was about to get underway