1437 (MCDXXXVII) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa boseswai ngwagengsome wa 1430s, ngwaga wa bomasometharo šupa ngwagengkgolo wa Ngwagakgolo 15, le ngwaga wa bomakgolo nne masometharo šupa ngwagengkete wa Ngwagakete 2.