River Thames Thames Estuary), the river is subject to tidal activity from the North Sea. Before the lock was installed, the river was tidal as far as Staines, about upstream. London, capital of Roman Britain, was established on two hills, now known as Cornhill and Ludgate Hill. These provided a firm base for a trading centre at the lowest possible point on the Thames. A river crossing was built at the site of London Bridge. London Bridge is now used as the basis for published tide tables giving the times of high tide. High tide reaches Putney about 30 minutes later than
States headed by Elizabeth II government of the unrecognised state of Rhodesia proclaimed its allegiance to Elizabeth II as queen of Rhodesia from 1965 to 1970. However, she did not accept either the role or the title and it was not accepted or recognised by any other state. Fiji became a republic through a military coup in 1987, after which its Great Council of Chiefs continued to recognise Elizabeth II as queen, or Paramount Chief of Fiji, until the council's de-establishment on 14 March 2012. However, this was only a ceremonial title, with no role in government at all. States headed by Elizabeth II The