: 7th century
- 8th century
- 9th century
Decades: 720s 730s 740s 750s 760s - 770s - 780s 790s 800s 810s 820s
Years: 771 772 773 774 775 - 776 - 777 778 779 780 781
- Byzantine Emperor Leo IV associates himself with his young son Constantine VI and suppresses an uprising led by his step-brothers.