Claim: During the 1966 Dutch Grand Prix, the 16th Dutch Grand Prix that was held on July 24, 1966 at Zandvoort, Australia's Jack Brabham of Brabham-Repco ranked 1st place in the qualifying round.
Evidence: The 1966 Dutch Grand Prix was a Formula One motor race held at Zandvoort on July 24, 1966. Pos Australia Jack Brabham Brabham-Repco