- Aug 5 Jacques Boucher de Crèvecœur de Perthes, French archaeologist (discovered flint tools in the gravels of the Somme valley), dies at 79
- Aug 10 Hadzhi Dimitar, Bulgarian military leader and revolutionary who fought against Ottoman rule, killed in battle at 28
- Aug 11 Halfdan Kjerulf, Norwegian composer (Brudefaerden i Hardanger), dies at 52
- Aug 11 Thaddeus Stevens, US Radical Republican congressional leader (Rep-R-Pennsylvania 1849-53 1859-68), dies at 76
- Aug 25 Costache Negruzzi, Romanian author/poet, dies at about 60
- Aug 25 Henry P Scholte, Dutch/US vicar (Iowa), dies at 62
- Aug 25 Jacob van Lennep, Dutch poet and novelist (The Adopted Son), dies at 66
- Aug 27 Franz Xaver Schnyder von Wartensee, Swiss composer, dies at 82
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide