1142 (MCXLII) ebile ngwaga wa go thoma ka Labone, ngwaga wa boraro ngwagengsome wa 1140s, ngwaga wa bomasomenne pedi ngwagengkgolo wa Ngwagakgolo 12, le ngwaga wa bolekgolo masomenne pedi ngwagengkete wa Ngwagakete 2.