Claim: Jules Dumont d'Urville explored a continent.
Evidence: Jules Sébastien César Dumont d'Urville -LRB- 23 May 1790 -- 8 May 1842 -RRB- was a French explorer , naval officer and rear admiral , who explored the south and western Pacific , Australia , New Zealand and Antarctica.
Antarctica -LRB- UK English -LSB- ænˈtɑːktɪkə -RSB- or -LSB- ænˈtɑːtɪkə -RSB- , US English -LSB- æntˈɑːrktɪkə -RSB- -RRB- is Earth 's southernmost continent.