The Commonwealth Games is an international multi-sport event held every four years involving elite athletes from Commonwealth nations. It was first held in 1930 in Hamilton, Canada as the British Empire Games. Six teams have attended every event: Australia, Canada, England, New Zealand, Scotland, and Wales. The 2010 Games were held in Delhi, India, with over 7,000 athletes from 71 Commonwealth nations participating. It had the largest budget and number of sports of any Commonwealth Games to date. The opening ceremony was declared open by the President of India and Prince of Wales at the Jawaharlal Nehru Stadium.