Historians are unsure of its original name but the Romans called it Tamesis - and that was nearly 2000 years ago.
The river Thames (pronounced temz)
The Thames flows through London.
Thames Estuary.
The River Thames flows into the North Sea.
London is on the River Thames but not quite at its estuary.
Gona Thames
Old Father Thames.
River Thames
river thames
The River Thames is wholly within England although there is another river by that name in Canada.
From its Roman name of Tamesis.
The River Thames and many more