| Millennium: | 1st millennium |
| Centuries: | 7th century – 8th century – 9th century |
| Decades: | 750s 760s 770s – 780s – 790s 800s 810s |
| Years: | 780 781 782 783 784 785 786 787 788 789 |
| Categories: | Births – Deaths – Architecture Establishments – Disestablishments |
The 780s decade ran from January 1, 780, to December 31, 789.