668
| Ngwagakete: | Ngwagakete 1 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 6 – Ngwagakgolo 7 – Ngwagakgolo 8 |
| Mengwagasome: | 630s 640s 650s – 660s – 670s 680s 690s |
| Mengwaga: | 665 666 667 – 668 – 669 670 671 |
668 (DCLXVIII) ebile ngwagamolele wa go thoma ka Laboraro, ngwaga wa bosenyane ngwagengsome wa 660s, ngwaga wa bomasometshela seswai ngwagengkgolo wa Ngwagakgolo 7, le ngwaga wa bomakgolo tshela masometshela seswai ngwagengkete wa Ngwagakete 1.