21st century BC in architecture
Buildings and structures
Buildings
- Great Ziggurat of Ur constructed[1]
See also
- 21st century BC
- Timeline of architecture
References
- ^ Huth, Andrew (June 26, 2010). "Touring the Great Ziggurat of Ur". Army.mil. United States Army. Retrieved February 15, 2020.
- v
- t
- e