Dashed left edge = started before December 1000 ·
Dashed right edge = ongoing beyond December 1000
Events in December 1000 1
600 – 1000Chichen ItzaYucatan, Mexico — New WonderA major Maya city on the Yucatan Peninsula of Mexico, built between the 6th and 13th centuries AD. Its centrepiece, the Temple of Kukulcan (El Castillo), is a step pyramid that creates the illusion of a feathered serpent descending its staircase during the spring and autumn equinoxes — a deliberate astronomical alignment by its builders.