Questions and answers about car prizes——In what year was the first event of the World Rally Championship held?

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Our last issue is:

What is the length of a single lap of the Shanghai International Circuit Formula One circuit?

The correct answer is:5.451 km

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World Rally Championship(World Rally Championship, also translated as World Cross Country Championship, referred to as WRC) is a series of rally events organized by the FIA ​​(FIA), the highest level in the world, the first event was held in 1973. Participating vehicles must strictly follow the prescribed driving route of the competition, reach the target of the sub-station within the prescribed time, and complete the maintenance and inspection of the vehicle within the prescribed time. The stage of the rally is a variety of temporarily closed ordinary roads, including mountainous and hilly winding roads, sandy roads, muddy roads, ice and snow roads, etc., as well as deserts, Gobi, and grasslands that cannot be closed. The complex terrain and long schedule not only test the driver’s skills and experience, but also test the cooperation of the pilot, the performance of the vehicle and the power of maintenance.

Today's question is

WorldIn what year was the first event of the World Rally Championship held?