: 10th century BC
- 9th century BC
- 8th century BC
Decades: 870s BC 860s BC 850s BC 840s BC 830s BC - 820s BC - 810s BC 800s BC 790s BC 780s BC 770s BC
Events and Trends
- 827 BC - Zhou xuan wang becomes King of the Zhou Dynasty of China.
- 825 BC - Takelot II, king of Egypt, dies. Crown Prince Osorkon III and Shoshenq III, sons of Takelot, battle for the throne.
- 825/824 BC - Ariphron, King of Athens dies after a reign of 20 years and is succeeded by his son Thespieus.
- 823 BC - Death of Shalmaneser III, king of Assyria. He is succeeded by his son Shamshi-Adad V.
- 820 BC - Pygmalion ascends the throne of Tyre.