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

Births

Deaths

References

Sources

Notes and References

  1. Roger Collins, "Visigothic Spain 409–711", p. 76