- Dutch Grand Prix
- Brabham makes it a hat-trick at Zandvoort
July 24, 1966: Jack Brabham completed his third successive win in the Dutch Grand Prix at Zandvoort, and in so doing took a complete stranglehold on the world championship.
- British Grand Prix
- Brabham heads his first one-two
July 16, 1966: Jack Brabham proved his win at Reims was no fluke when he followed with victory in the British Grand Prix at Brands Hatch, a result which opened up a sizeable lead for him in the drivers' championship.
- French Grand Prix
- Brabham makes history with Reims win
July 3, 1966: Jack Brabham won the French Grand Prix in Reims, in the heart of champagne country, his victory in his own V8 Brabham-Repco was the first world championship win by a driver in a car he had designed himself.