📅 30 Juli 762
The new Abbasid capital was founded on 30 July 762 and became a major center for scholarship, administration and translation.
📅 30 Juli 762
Naubakht and Masha'allah reportedly selected an astrologically auspicious moment, illustrating the close relationship between mathematical astronomy and state planning.
📅 30 Juli 762
The city's multilingual scholarly environment later supported translations and original work in arithmetic, algebra, geometry and astronomy.
📅 30 Juli 762
Baghdad's planned circular form joined surveying, geometry, architecture and imperial symbolism in a major urban project.
📅 30 Juli 762
Naubakht and Masha'allah calculated an auspicious horoscope for construction of the Abbasid capital on 30 July 762.
📅 30 Juli 762
Celestial calculation helped legitimize an imperial city and demonstrates the close historical relationship between astronomy and astrology.
📅 30 Juli 762
The planners' backgrounds reflect the multilingual and multireligious networks that later supported scholarship in Baghdad.
📅 30 Juli 762
The city developed institutions where Indian, Persian and Greek materials were translated, criticized and extended in Arabic.
