1851 (MDCCCLI) ebile ngwaga wa go thoma ka Laboraro, ngwaga wa bobedi ngwagengsome wa 1850s, ngwaga wa bomasomehlano tee ngwagengkgolo wa Ngwagakgolo 19, le ngwaga wa bomakgolo seswai masomehlano tee ngwagengkete wa Ngwagakete 2.