621 Explained
Year 621 (DCXXI) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. The denomination 621 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Events
By place
Byzantine Empire
Europe
Asia
By topic
Religion
Technology
- The Chinese establish an imperial bureau for the manufacture of porcelain. Their technology will advance further under the Tang dynasty (approximate date).
Births
Deaths
References
Sources
Notes and References
- Roger Collins, "Visigothic Spain 409–711", p. 76