Parachuting, also known as skydiving, is the sport of jumping from enough height to deploy a fabric parachute and land safely.The history of parachuting appears to start with Andre-Jacques Garnerin who made successful parachute jumps from a hot-air balloon in 1797. The military developed parachuting......

Motocross is a form of motorcycle sport or all-terrain vehicle racing held on enclosed off road circuits. Motocross is derived from the French, and traces its origins to British Scrambling competitions. The name "motocross" is a portmanteau derived from the words "motorcycle" and "Cross......

A sports league is a professional body that governs the competition of its teams. They make the rules for competition and behavior and discipline its members as necessary.A list of professional sports leagues:Auto racingA1 Grand Prix (Official Site)American Le Mans Series (Official Site)British......