Archaeological and other evidence shows swimming to have been practiced as early as 2500 BCE in Egypt and thereafter in Assyrian, Greek, and Roman civilizations
In Greece and Rome swimming was a part of martial training and was, with the alphabet, also part of elementary education for males
In the Orient swimming dates back at least to the 1st century BCE, there being some evidence of swimming races then in Japan
By the 17th century an imperial edict had made the teaching of swimming compulsory in the schools
Organized swimming events were held in the 19th century before Japan was opened to the Western world
Among the preliterate maritime peoples of the Pacific, swimming was evidently learned by children about the time they walked, or even before
Among the ancient Greeks there is note of occasional races, and a famous boxer swam as part of his training
The Romans built swimming pools, distinct from their baths
In the 1st century BCE, the Roman Gaius Maecenas is said to have built the first heated swimming pool
The lack of swimming in Europe during the Middle Ages is explained by some authorities as having been caused by a fear that swimming spread infection and caused epidemics
Internationally, competitive swimming came into prominence with its inclusion in the modern Olympic Games from their inception in 1896
Olympics events were originally only for men, but women's events were added in 1912