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Stewart wins F1’s first red-flagged Canadian Grand Prix

In Montreal in 1973, the Scotsman took a historic win in a race shaped by rain, chaos and a stoppage.

19 September 2026 1 min read 26 views

On 23 September 1973, Jackie Stewart secured a victory in Canada that would go down in the history books: it was the first Formula 1 Grand Prix to be stopped by a red flag. In Montreal, the weather turned the race into a nightmare for drivers and marshals, forcing officials to halt proceedings after a string of incidents and extreme conditions.

When the race restarted, the Scot held onto the lead and brought home a crucial win, also important in his title fight. That race is still remembered today as one of the moments that changed how safety is managed in F1.

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