|1.||Ancient name: Tamesis a river in S England, rising in the Cotswolds in several headstreams and flowing generally east through London to the North Sea by a large estuary. Length: 346 km (215 miles)|
|2.||a river in SE Canada, in Ontario, flowing south to London, then southwest to Lake St Clair. Length: 217 km (135 miles)|
Note: During industrialization in England, the Thames was particularly important because industries were established on the banks of the river. It passes famous buildings in London, such as the Tower of London and the Houses of Parliament.