- Monaco Grand Prix
- Hill cements Monaco reputation
May 26, 1968: Graham Hill showed why he was known as Mr Monaco with his fourth victory at the Monaco Grand Prix, silencing those who dismissed his win in the Spanish Grand Prix a fortnight earlier as a one-off.
- Spanish Grand Prix
- Hill victorious for mourning Lotus
May 12, 1968: Graham Hill won the Spanish Grand Prix, his first victory for two-and-a-half years and one desperately needed by a Lotus team in mourning following the death of Jim Clark the previous month and weeks later his replacement, Mike Spence, testing at Indianapolis.