- Dutch Grand Prix 1959
- First success for Bonnier and BRM
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May 31, 1959: Swede Jo Bonnier became the third different driver to win in as many races when he drove his BRM to victory at the Dutch Grand Prix - it was his and also the British manufacturer's first grand prix success
- Indianapolis 500 1959
- More deaths at Indianapolis
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May 30, 1959: Rodger Ward won the Indianapolis 500 - it was the start of a six year run in which he won again in 1962 and never finished outside the top four - but two more driver deaths marred the event