Williams to celebrate 600 Grand Prix starts at Silverstone

Although though don't actually reach 600 race starts until the next round in Germany, Williams have chosen their home race at Silverstone this weekend to celebrate the landmark achievement. The British Grand Prix circuit fittingly witnessed the team's first ever win in 1979 and their 100th win in 1997. Williams will mark their latest milestone by displaying the number 600 on the sidepods of both their FW35 cars

via Formula1.com - Latest Headlines http://www.formula1.com/news/headlines/2013/6/14704.html