Which ever year people discovered that they could move around and float in water.
i dont know
1950 this was the year mexicans invented swimming to cross the rio grande
The year was when the Earth was FORMED. The ocean IS A REALLY BIG SWIMMING POOL.
1 882
Yes there was, they had invented swimming pools by then.
1358 by Gaius maecenas1358 by Gaius maecenas1358 by Gaius maecenas1358 by Gaius maecenas
The ancient Greeks invented it.
In water !
Andy Moore
1998
Australia
in 1980
in the early 1900