Plenty of anniversaries celebrated over the weekend . 75 years of racing at Silverstone Circuit , 75 years of NASCAR . The sight 14 of them doing demo laps sounded awesome and what a line up they made in the International Paddock . Another significant anniversary was the 70th birthday of a lovely lady named Annie . Her daughter had contacted our Chairman to ask if a special surprise birthday treat could be arranged for her mum to have a ride in a Corvette on the parade laps . Annie had lived in the USA for some years and loved American cars , especially Corvettes . Peter Sansbury passed the details on to me to get things organised and all the necessary MSA forms completed . The look of surprise on Annies face was priceless when her family walked her up to our display area and the `surprise birthday present ` was sprung . Gus Holton kindly obliged as `taxi driver` as everyone else had a passenger already .