The 1660s BC was a decade lasting from January 1, 1669 BC to December 31, 1660 BC.

Millennium
2nd millennium BC
Centuries
18th century BC 17th century BC 16th century BC
Decades
1680s BC 1670s BC 1660s BC 1650s BC 1640s BC
Years
1669 BC 1668 BC 1667 BC 1666 BC 1665 BC 1664 BC 1663 BC 1662 BC 1661 BC 1660 BC
Categories
v t e

Events and trends

1664 BC: Gravitational interactions with Saturn result in the centaur Chiron being forced into a different orbit.
1662 BC—May 22—Lunar Saros 33 begins.^[1]

Significant people