• The Strictly Stock title is replaced by the NASCAR Grand National Circuit for the 1950 championship season. Strictly Stock is more of a technical guideline.

• Harold Brasington builds the Darlington (S.C.) International Raceway and stages a 500-mile race for stock cars on the 1.25-mile banked paved speedway. A field of 75 cars take the green flag on Labor Day, 1950. Johnny Mantz, driving a 1950 Plymouth, wins the race by nine laps over Fireball Roberts. Fifty cars are running at the finish.

• Nash Motor Co. becomes the first auto manufacturer to officially enter NASCAR Winston Cup racing. In addition to offering contingency money and backing a few race entries, Nash presents a highway vehicle to NASCAR champion Bill Rexford.

• Rexford, 23, edges Fireball Roberts by 110.5 points to capture the 1950 Grand National championship. A total of 19 Grand National events are staged and no less than seven drivers are atop the point standings during the season.