Humans have been swimming since antiquity for survival, recreation and exercise. Historians and archaeologists have found cave paintings and written scripts that depict swimming as a common and enjoyable activity.
Swimming emerged as a competitive sport in 19th century England, though there is historical evidence that the ancient Japanese were responsible for inventing it. Today, swimming is one of the most popular Olympic sports around the world and includes four kinds of swimming styles: the front crawl, backstroke, butterfly and the breaststroke.
It's a day to take your swimming togs and go to a swimming pool to swim one or more laps. There are many reasons why people swim. The largest reason for people swimming is as a recreation activity, with swimming consistently ranking as one of the physical activities people are most likely to take part in. Recreational swimming can be used for people to exercise, to relax or to rehabilitate.