Catalan Os d'Ishango Cited by user Ferran Mir on 25 May 2022 Los d'Ishango és un os d'uns 10 cm de llarg, lleugerament corbat, trobat a Ishango, prop del llac Eduard (República Democràtica del Congo).
English Ishango bone Cited by user Chopperology on 19 Oct 2021 The Ishango bone, discovered at the "Fisherman Settlement" of Ishango in the Democratic Republic of Congo, is a bone tool and possible mathematical device that dates to…