175 (CLXXV) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa botshelela ngwagengsome wa 170s, ngwaga wa bomasomešupa hlano ngwagengkgolo wa Ngwagakgolo 2, le ngwaga wa bolekgolo masomešupa hlano ngwagengkete wa Ngwagakete 1.