 Twenty-five of the franchises were purchased in time for the 2005–06 A1 Grand Prix season, which began on 25 September 2005 with the A1 Grand Prix of Nations Great Britain at the Brands Hatch circuit in Kent, United Kingdom.The first season was planned for 12 rounds (24 races, with two each weekend); however the cancellation of a race scheduled for Curitiba, Brazil in January 2006 reduced this number to 11.Nelson Piquet, Jr. won the inaugural race of the series for A1 Team Brazil.