2006: Prince William graduates from Sandhurst
Prince William was commissioned as an officer in the British Army after graduating from Sandhurst on 15 December 2006.
The Queen, Prince Charles and other members of the royal family attended a parade marking the end of his training at the royal military academy.
Kate Middleton also watched the prince who was 24-years-old at the time.
Nicholas Witchell reported on the day.