The ancient Chinese, for example, practiced sports at smartcric. Artifacts suggest that these games were played as early as 2000 BC. Gymnastics and javelin throwing are believed to have been popular in ancient China. In the ancient Egyptian civilization, sports such as wrestling and high jump were well-developed. Likewise, the ancient Persians had their own versions of sports, including Zoorkhaneh martial art and jousting. The modern world has seen the advent of motorized sports. In the modern world, sport is generally governed by customs and rules. These rules ensure a level playing field for the players and provide a unified basis for adjudication of the winner. In many cases, winning a game depends on how the participants perform in a physical event. Judges can either use objective or subjective measures to determine who the winner is. For some types of competition, the scoring is based on the performance of the players. In colonial America, sports were a source of great entertainment. While hunting was typically reserved for the aristocratic class, game was plentiful and accessible to all. It was not uncommon for anyone to participate in sports, regardless of social status. In 1691, Sir Francis Nicholson organized competitions between "better sort" Virginians. In some cases, the competitions involved hundreds of participants. Others were contests between two teams at watch live cricket.