1251 (MCCLI) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa bobedi ngwagengsome wa 1250s, ngwaga wa bomasomehlano tee ngwagengkgolo wa Ngwagakgolo 13, le ngwaga wa bomakgolo pedi masomehlano tee ngwagengkete wa Ngwagakete 2.