1866 (MDCCCLXVI) ebile ngwaga wa go thoma ka Mošupologo, ngwaga wa bošupa ngwagengsome wa 1860s, ngwaga wa bomasometshela tshela ngwagengkgolo wa Ngwagakgolo 19, le ngwaga wa bomakgolo seswai masometshela tshela ngwagengkete wa Ngwagakete 2.