661 (DCLXI) ebile ngwaga wa go thoma ka Labobedi, ngwaga wa bobedi ngwagengsome wa 660s, ngwaga wa bomasometshela tee ngwagengkgolo wa Ngwagakgolo 7, le ngwaga wa bomakgolo tshela masometshela tee ngwagengkete wa Ngwagakete 1.