c. 830s★★★★★
House of Wisdom in Baghdad
Under Caliph al-Ma'mun the House of Wisdom becomes a centre of translation and scholarship, preserving and extending Greek, Persian and Indian learning.
ScienceCulture· Iraq
Under Caliph al-Ma'mun the House of Wisdom becomes a centre of translation and scholarship, preserving and extending Greek, Persian and Indian learning.
Maya city-states such as Tikal, Palenque and Calakmul reach their height in architecture, writing, astronomy and calendrics.
The Soninke Ghana Empire (Wagadu) flourished in what is now Mauritania and Mali, growing rich from control of the trans-Saharan gold and salt trade.
Many Maya cities of the southern lowlands are gradually abandoned, possibly due to drought, warfare and political crisis.
The Persian Samanid dynasty rules Central Asia and Khorasan, making Bukhara and Samarkand cultural and trade centres on the Silk Road.