When was tennis founded?

Answer 1

Tennis or Tinnis , medieval city of Egypt, on an island in Lake Manzala, southwest of modern Port Said. Tennis, founded when Tanis was abandoned, was a port and center of commerce of some importance. It was particularly notable for its fine textiles (much prized throughout the Muslim world).

Answer 2

From some historical researches tennis dates back from ancient Greek culture. Modern tennis was developed from 12th century french game called Paume (palm).