931 (CMXXXI) ebile ngwaga wa go thoma ka Mošupologo, ngwaga wa bobedi ngwagengsome wa 930s, ngwaga wa bomasometharo tee ngwagengkgolo wa Ngwagakgolo 10, le ngwaga wa bomakgolo senyane masometharo tee ngwagengkete wa Ngwagakete 1.