"David Melgueiro"@en . . . . . . "1673Z"^^ . "Melgueiro, David"@en . "Portuguese explorer" . . "David Melgueiro (Porto, ? \u2013 Porto, 1673?) is supposed to be a Portuguese navigator and explorer. Several sources state that he sailed across the Northeast Passage in 1660, travelling from Japan to Portugal through the Arctic Ocean. This issue aroused strong polemics along the time."@en . .