778
| Ngwagakete: | Ngwagakete 1 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 7 – Ngwagakgolo 8 – Ngwagakgolo 9 |
| Mengwagasome: | 740s 750s 760s – 770s – 780s 790s 800s |
| Mengwaga: | 775 776 777 – 778 – 779 780 781 |
778 (DCCLXXVIII) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa bosenyane ngwagengsome wa 770s, ngwaga wa bomasomešupa seswai ngwagengkgolo wa Ngwagakgolo 8, le ngwaga wa bomakgolo šupa masomešupa seswai ngwagengkete wa Ngwagakete 1.