1131 (MCXXXI) ebile ngwaga wa go thoma ka Labone, ngwaga wa bobedi ngwagengsome wa 1130s, ngwaga wa bomasometharo tee ngwagengkgolo wa Ngwagakgolo 12, le ngwaga wa bolekgolo masometharo tee ngwagengkete wa Ngwagakete 2.