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
Queen Elizabeth II Centre events for between 40 and 1,300 delegates. It also has 2,000 square metres of exhibition space. The Centre is a very successful venue hosting over 400 meetings each year and returning an annual dividend to the Exchequer, thus not reliant on the taxpayer for financial support. Exhibition centres in London include: Queen Elizabeth II Centre The Queen Elizabeth II Centre is a conference facility located in the City of Westminster, London, close to the Parliament of the United Kingdom. The site now occupied by the Queen Elizabeth II Centre was previously occupied by several buildings. At the northern end of