No, water polo originated as a form of rugby football played in rivers and lakes in England and Scotland and since rugby originated from football (or soccer) then this is the oldest surviving team sport. Waterpolo was the among the first team sports introduced at the modern Olympic games in 1900
Ayurvedic medicine is the oldest surviving healing system
oldest Olympic competitor
The oldest surviving staircase in the world is Stairways in Persepolis. They were built in 550 B.C.
hinduism
Oldest surviving religion is considered to be Hinduism.
The oldest survivings newspaper of India is :
The oldest known olympic sport is bull jumping. Source: Chachanswers.com
Iceland.
wat is it................................?
Discovery
Probably the Bible....