London

===Prehistory===
In 1993, remains of a [[Bronze Age]] bridge were found on the south foreshore upstream from [[Vauxhall Bridge]].<ref name="Denison">{{Cite web |title=First 'London Bridge' in River Thames at Vauxhall |date=27 May 2015 |url=https://exploring-london.com/tag/vauxhall-bridge/ |access-date=18 December 2023 }}</ref> Two of the timbers were [[Radiocarbon dating|radiocarbon dated]] to 1750–1285 BC.<ref name="Denison"/> In 2010, foundations of a large timber structure, dated to 4800–4500 BC,<ref>{{Cite web |title=London's Oldest Prehistoric Structure |url=http://www.bajrfed.co.uk/bajrpress/londons-oldest-prehistoric-structure/ |publisher=BAJR |access-date=19 August 2018 |archive-url=https://web.archive.org/web/20180707053946/http://www.bajrfed.co.uk/bajrpress/londons-oldest-prehistoric-structure/ |archive-date=7 July 2018 |url-status=live |date=3 April 2015}}</ref> were found on the Thames's south foreshore downstream from Vauxhall Bridge.<ref name="Milne">{{Cite web |last=Milne |first=Gustav |title=London's Oldest Foreshore Structure! |url=http://www.thamesdiscovery.org/frog-blog/london-s-oldest-find-discovered-at-vauxhall |website=Frog Blog |publisher=Thames Discovery Programme |access-date=15 April 2011 |archive-url=https://web.archive.org/web/20110430002236/http://www.thamesdiscovery.org/frog-blog/london-s-oldest-find-discovered-at-vauxhall |archive-date=30 April 2011 |url-status=live}}</ref> Both structures are on the south bank of the Thames, where the now-underground [[River Effra]] flows into the Thames.<ref name="Milne"/>