Mezue nkebi ahịrịokwu a: Na February 1830, a gbara ụlọ ya ọkụ, ma e chebere ihe ka ukwuu n'akwụkwọ na ihe odide ya. nke France
mgbanwe nke July n'otu afọ ahụ bụ ihe otiti dị egwu nye ya, ma jupụta ya na atụmanya kachasị njọ nke ọdịnihu nke Europe. Niebuhr nwụrụ, mgbe ọ dị afọ 54, na Bonn.