1231 (MCCXXXI) ebile ngwaga wa go thoma ka Laboraro, ngwaga wa bobedi ngwagengsome wa 1230s, ngwaga wa bomasometharo tee ngwagengkgolo wa Ngwagakgolo 13, le ngwaga wa bomakgolo pedi masometharo tee ngwagengkete wa Ngwagakete 2.