Ngwagakete: Ngwagakete 1
Mengwagakgolo: Ngwagakgolo 9Ngwagakgolo 10Ngwagakgolo 11
Mengwagasome: 890s  900s  910s  – 920s –  930s  940s  950s
Mengwaga: 918 919 920921922 923 924

921 (CMXXI) ebile ngwaga wa go thoma ka Laboraro, ngwaga wa bobedi ngwagengsome wa 920s, ngwaga wa bomasomepedi tee ngwagengkgolo wa Ngwagakgolo 10, le ngwaga wa bomakgolo senyane masomepedi tee ngwagengkete wa Ngwagakete 1.