AD 1000

In the proleptic Gregorian calendar, it was a non-leap century year starting on Wednesday (like 1800).

Sub-Saharan Africa was still in the prehistoric period, although Trans-Saharan slave trade was beginning to be an important factor in the formation of the Sahelian kingdoms.

In Mesoamerica, the Maya Terminal Classic period saw the decline of many grand polities of the Petén like Palenque and Tikal yet a renewed vigor and greater construction phases of sites in the Yucatán Peninsula like Chichen Itza and Uxmal.

Mitla, with Mixtec influence, became the more important site of the Zapotec, overshadowing the waning Monte Albán.

At the time, Persia was in a period of instability, with various polities seceding from Abbasid rule, among whom the Ghaznavids would emerge as the most powerful.