720s BC

Millennium:	1st millennium BC
Centuries:	9th century BC – 8th century BC – 7th century BC
Decades:	750s BC 740s BC 730s BC – 720s BC – 710s BC 700s BC 690s BC
Years:	729 BC 728 BC 727 BC 726 BC 725 BC 724 BC 723 BC 722 BC 721 BC 720 BC
Categories:	Births – Deaths – Architecture Establishments – Disestablishments

Events and trends

728 BC—Piye invades Egypt, conquering Memphis, and receives the submission of the rulers of the Nile Delta. He founds the Twenty-fifth dynasty of Egypt.
727 BC—Babylonia makes itself independent of Assyria, upon the death of Tiglath-Pileser III.
725 BC—Shalmaneser V starts a 3 year siege of Israel
725 BC—Sparta conquers the neighboring region of Messenia and takes over the land.
724 BC—The Assyrians start a four-year siege of Tyre.
724 BC—The diaulos footrace introduced at the Olympics.

A lamassu from the palace of Sargon II at Dur-Sharrukin.

722 BC—Spring and Autumn Period of China's history begins as King Zhou ping wang of the Zhou Dynasty reigns in name only.
722 BC—Northern Kingdom of Israel is conquered by Assyrian king Sargon II.
721 BC—Sargon II starts to rule. He builds a new capital at Dur Sharrukin (modern Khorsabad).
720 BC—End of the Assyrian siege of Tyre.
c. 720 BC—Guardian figure (pictured, right), from the entrance to the throne room at palace of Sargon II is made. It is now in The Oriental Institute, Chicago.

729 BC—Tiglath-Pileser III officially crowned sovereign of Asia in Babylon.
729 BC—Hezekiah succeeds Ahaz as king of Judah (or 726 BC).
729 BC—Luli succeeds Mattan II as king of Tyre.
728 BC—Death of Tiglath-Pileser III, king of Assyria (or 727 BC).
727 BC—Death of Tiglath-Pileser III, king of Assyria (or 728 BC).
727 BC—Shalmaneser V becomes king of Assyria (dies 723 BC).
727 BC—Tefnakhte founds the Twenty-fourth dynasty of Egypt.
726 BC—Hezekiah succeeds Ahaz as king of Judah (or 729 BC).
725 BC—Bakenranef (also known as Bocchoris) succeeds his father Tefnakhte as king of the Twenty-fourth dynasty of Egypt.
724 BC—Ahaz, king of Judah (740 BC–726 BC) dies.
723 BC—Shalmaneser V, king of Assyria, dies.
723 BC—Sargon succeeds Shalmaneser V as king of Assyria.
721 BC—Shabaka succeeds his father Piye as king of the Twenty-fifth dynasty of Egypt.
720 BC—Shabaka kills Bakenranef (Bocchoris), ending the Twenty-fourth Dynasty of Egypt
720 BC—Death of Zhou ping wang, King of the Zhou Dynasty of China.