Picture by Roger Bamber : 28 March 2007 : The Peacehaven town crest incorporating the 1936 built International Meridian monument at the southernmost point in Great Britain of the Greenwich Meridian Date Line on the cliff edge at Peacehaven, East Sussex, UK. the 1936 built International Meridian monument at the southernmost point in Great Britain of the Greenwich Meridian Date Line on the cliff edge at Peacehaven, East Sussex, UK. sign; locator; signpost; travel; , Picture by Roger Bamber : 28 March 2007 : The Peacehaven town crest incorporating the 1936 built International Meridian monument at the southernmost point in Great Britain of the Greenwich Meridian Date Line on the cliff edge at Peacehaven, East Sussex, UK. the 1936 built International Meridian monument at the southernmost point in Great Britain of the Greenwich Meridian Date Line on the cliff edge at Peacehaven, East Sussex, UK. sign; locator; signpost; travel;