Tuhia he tomokanga mō tēnei wāhanga - I te tau 1857 ka rere a Rigault de Genouilly i runga i te kaipuke "Némésis" ki te whakauru atu ki te kaipuke moana i whakahiatohia e Admiral Léonard Charner mo te Pakanga Tuarua Opium
, a i whakanohoia ki te mana o te wehenga moana French. I te wa o te pakanga i uru ia ki te aukati o Macau me te hopu i te hopu o Canton.