610 CE
A year defined by the traditional date of Muhammad's first revelation in the cave of Hira and the overthrow of the Byzantine Emperor Phocas by Heraclius.
Culture & Society
- According to Islamic tradition, the Prophet Muhammad received his first revelation from the angel Gabriel in the cave of Hira near Mecca, marking the beginning of the Quran's revelation and the Islamic faith.
- Muhammad initially shared his revelations privately with his wife Khadija and a small circle of family and friends, beginning the earliest community of Muslims.
- The estimated world population was approximately 210 million.
Geopolitics & Diplomacy
- Heraclius, the exarch of Africa, sailed to Constantinople and overthrew the unpopular Emperor Phocas, executing him and claiming the Byzantine throne.
- Heraclius inherited a Byzantine Empire in crisis, with the Sassanid Persians having conquered much of the eastern provinces and the Avars threatening the Balkans.
Climate & Environment
- Atmospheric carbon dioxide concentration was approximately 277 parts per million, as later confirmed by ice core analysis.