It was not discovered by a specific person but came into being around 11,000 years ago. It was not discovered in the sense the columbus founded america. It came into being around the last ice age. It is now know to be the 2nd longest river in britain, running over 215 miles long (346km) with 25 species of fish living in the river and 104,75 non tidal bridges running across it and 29 tidal bridges running across it. oh and if you hadn''t already heard enough, it runs through nine different counties.
Ancient man.
That would be the River Thames.
The River Thames is the major river through London, cutting right through the middle of the city. There are many other rivers in London, such as the River Lee (or Lea) and the River Brent.
The river Thames (pronounced temz)
London is situated on the River Thames (pronounced 'temz'.
Thames River
No the Severn is the longest, the Thames is the second longest.
the romans
The Thames flows through London.
The River Thames has multiple confluences. One such is the confluence of the River Thames and the River Darent at Dartford.
Nobody discovered it - it was built as a means of getting from one side of the River Thames to the other. It wasn't always there, it had to be constructed.
River Thames.