Decades: 820s BC 810s BC 800s BC 790s BC 780s BC - 770s BC - 760s BC 750s BC 740s BC 730s BC 720s BC

• 778 BC - Agamestor, King of Athens dies after a reign of 17 years and is succeeded by his son Aeschylus.
• 776 BC - First recorded Olympic Games. The history of the Games is believed to reach as far back as the 13th century BC but no older written record survives.
• 774 BC - End of the reign of king Pygmalion of Tyre.
• 773 BC - Death of Shoshenq III, king of Egypt.
• 773 BC - Ashur-Dan III succeeds his brother Shalmaneser IV as king of Assyria.
• 771 BC - Death of Zhou you wang, King of the Zhou Dynasty of China.
• 771 BC - End of the Western Zhou Dynasty in China as "western" barbarian tribes sack the capital Hao. The King Zhou you wang is killed. Crown Prince Ji Yijiu escapes and will reign as Zhou ping wang.
• 770 BC - Beginning of the Eastern Zhou Dynasty in China as Zhou ping wang becomes the first King of the Zhou to rule from the new capital of Chengzhou (today Luoyang).