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 The Queen Mother they visited Aden, Kenya, Uganda, and Sudan, but Egypt was avoided because of political tensions. Albert had a stammer, which affected his ability to deliver speeches, and after October 1925, Elizabeth assisted in helping him through the therapy devised by Lionel Logue, an episode portrayed in the 2010 film "The King's Speech". In 1926, the couple had their first child, Princess Elizabeth—"Lilibet" to the family—who would later become Queen Elizabeth II. Another daughter, Princess Margaret Rose, was born four years later. Albert and Elizabeth, without their child, travelled to Australia to open Parliament House in Canberra in 1927. She was,