780s
780s ke ngwagasome tšhupamabakeng ya Gregorian wa go thoma ka 1 Pherekgong 780 ya fela ka 31 Manthole 789. Ngwagasome 780s o wela ngwagengkgolo wa 8.
| Ngwagakete: | Ngwagakete 1 |
| Mengwagakgolo: | Ngwagakgolo 7 – Ngwagakgolo 8 – Ngwagakgolo 9 |
| Mengwagasome: | 750s 760s 770s – 780s – 790s 800s 810s |
| Mengwaga: | 780 781 782 783 784 785 786 787 788 789 |
| 780s-tšago tswalanya: |