where did sir richard grenville explore?
Archipelago of the Azores
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 Many subsequent voyages halted at Ascension Island , and many visitors commented on the land crabs they found there , including William Dampier , Charles Darwin and Charles Wyville Thomson . Bernard Stonehouse reported on an expedition by the British Ornithologists ' Union to Ascension Island , stating : 

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 Thomas Gray visited in 1770 during his final travels , 

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 Britain kept Napoleon on the island of Saint Helena in the Atlantic Ocean , 1 @,@ 870 km ( 1 @,@ 162 mi ) from the west coast of Africa . Napoleon was moved to Longwood House there in December 1815 ; it had fallen into disrepair , and the location was damp , windswept and unhealthy . The Times published articles insinuating the British government was trying to hasten his death , and he often complained of the living conditions in letters to the governor and his custodian , Hudson Lowe . 

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 Charles Darwin visited the Galápagos for five weeks on the second voyage of HMS Beagle in 1835 and saw Galápagos tortoises on San Cristobal ( Chatham ) and Santiago ( James ) Islands . They appeared several times in his writings and journals , and played a role in the development of the theory of evolution . 

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 From 1499 to 1508 a number of other expeditions were launched from Bristol to the ' New found land ' , the earliest being undertaken by William Weston . One of these , led by John Cabot 's son , Sebastian Cabot , explored down the coast of North America until he was ‘ almost in the latitude of Gibraltar ’ and ‘ almost the longitude of Cuba ’ . This would suggest that he reached as far as the Chesapeake , close to what is now Washington D.C. 
