1237 (MCCXXXVII) ebile ngwaga wa go thoma ka Labone, ngwaga wa boseswai ngwagengsome wa 1230s, ngwaga wa bomasometharo šupa ngwagengkgolo wa Ngwagakgolo 13, le ngwaga wa bomakgolo pedi masometharo šupa ngwagengkete wa Ngwagakete 2.