688
| Ngwagakete: | Ngwagakete 1 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 6 – Ngwagakgolo 7 – Ngwagakgolo 8 |
| Mengwagasome: | 650s 660s 670s – 680s – 690s 700s 710s |
| Mengwaga: | 685 686 687 – 688 – 689 690 691 |
688 (DCLXXXVIII) ebile ngwagamolele wa go thoma ka Sontaga, ngwaga wa bosenyane ngwagengsome wa 680s, ngwaga wa bomasomeseswai seswai ngwagengkgolo wa Ngwagakgolo 7, le ngwaga wa bomakgolo tshela masomeseswai seswai ngwagengkete wa Ngwagakete 1.