`` Big Dance 2012 '' was the largest cultural participation project of the London 2012 Festival Social_event , which was the culmination of the Cultural Olympiad Competition for the London 2012 Olympic and Paralympic Games Competition .

Despite these origins , the phrases `` World Maths Day '' and `` World Math Day '' are trademarks and not to be confused with other competitions such as the International Mathematical Olympiad or days such as Pi Day .

This was the only Olympiad Competition where croquet was part of the official programme , though there was the variant called Request roque at the 1904 Summer Olympics Competition .

Sailing/Yachting is an Olympic sport starting from the Games of the 1st Olympiad ( 1896 Olympics in Athens , Greece ) .

Cycling competitions Competition had been contested in every Summer Olympics programme since the first modern Olympiad in 1896 alongside athletics , artistic gymnastics , fencing and swimming .