539 (DXXXIX) ebile ngwaga wa go thoma ka Labone, ngwaga wa bolesome ngwagengsome wa 530s, ngwaga wa bomasometharo senyane ngwagengkgolo wa Ngwagakgolo 6, le ngwaga wa bomakgolo hlano masometharo senyane ngwagengkete wa Ngwagakete 1.