On This Day

Year in History

Explore the major historical events, famous births, and notable deaths that occurred in the year 640. This year saw 3 significant events.

7th Century640s

640 Timeline

  1. Severinus begins his reign as Catholic Pope (elected in 638)

    Severinus begins his reign as Catholic Pope (elected in 638)

  2. Arab Muslim army sent by Caliph Omar begins siege of Heliopolis, city succumbs mid to late July, paving way for Muslim c

    Arab Muslim army sent by Caliph Omar begins siege of Heliopolis, city succumbs mid to late July, paving way for Muslim conquest of Byzantine Egypt

  3. John IV begins his reign as Catholic Pope

    John IV begins his reign as Catholic Pope

Events

Frequently Asked Questions

What happened in 640?
In 640, there were 3 significant historical events. Notable events include Severinus begins his reign as Catholic Pope (elected in 638), Arab Muslim army sent by Caliph Omar begins siege of Heliopolis, city succumbs mid to late July, paving way for Muslim c, John IV begins his reign as Catholic Pope.

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