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Updated: June 14, 2025

All this was done within one hundred years from the Hegira, or flight of Mahomet from Mecca to Medina, which happened in the year 622, and is the era from which Mahometans reckon time, as we do from the birth of Christ. For Christianity was not at that day universally professed, even by those nations which we now regard as foremost in civilization.

Thomas Bulfinch - Bulfinch's Mythology

Dun. p. 179. Abbas Rieval. p. 366, 374. Brompton, p. 935. Gul. Gem. lib. 7, cap. 11. Matth. West. p. 209. Flor. Wigorn. p. 622. Alur.

David Hume - The History of England, Volume I

"Knowest thou not that the dominion of the Heavens and of the Earth is God's? and that ye have neither patron nor helper save God?" The Kuran. The expectancy which burned like revivifying fire in the hearts of the Meccan Muslim, kindled and nourished by their leader himself, was to culminate at the time of the yearly pilgrimage in 622.

Gladys M. Draycott - Mahomet: Founder of Islam

His supposed Leaning towards Christianity. His Wives, Shirin and Kurdiyeh. His early Wars. His Relations with the Emperor Maurice. His Attitude towards Phocas. Great War of Chosroes with Phocas, A.D. 603-610. War continued with Heraclius. Immense Successes of Chosroes, A.D. 611-620. Aggressive taken by Heraclius A.D. 622. His Campaigns in Persian Territory A.D. 622-628. Murder of Chosroes.

George Rawlinson - The Seven Great Monarchies Of The Ancient Eastern World, Vol 7: The Sassanian or New Persian Empire : The History, Geography, And Antiquities Of Chaldaea, Assyria, Babylon, Media, Persia, Parthia, And Sassanian or New Persian Empire; With Maps and Illustrations.

My opinion is that fifty per cent is a very good average hatch, and that one should not expect more. In September, when the young birds were separated, the census report was 723 pullets and 764 cockerels, showing an infant mortality of 622, or twenty-nine per cent.

John Williams Streeter - The Fat of the Land: The Story of an American Farm

Branch Office, 622 and 624 F St., Washington, D.C. $2.50 a Year. Single Copies, 25 Cents.

Various - Scientific American Supplement, No. 598, June 18, 1887

In Italy the great southern highway of presumably earlier origin, which as a prolongation of the Appian road ran from Rome by way of Capua, Beneventum, and Venusia to the ports of Tarentum and Brundisium, had attached to it a branch-road from Capua to the Sicilian straits, a work of Publius Popillius, consul in 622.

Theodor Mommsen - The History of Rome, Book IV : The Revolution

It was this new religion, with a calendar only dating from A.D. 622, which was to control the future destinies of the Holy City. Islam arose at Mecca and Medina in barren and uninviting Arabia. When it started on that expansion, whereby it overspread half of the known world, Syria, from its situation, was naturally the first country to tempt its restless and devoted Arab warriors.

H. O. (Henry Osmond) Lock - With the British Army in The Holy Land

The Hegira or flight took place on 16th June 622 A.D. The flight, not the birth of the prophet, forms the era of Mohammedan chronology, since it was from the moment of the flight that Islam entered on its victorious career. Mahomet at Medina. From this point onwards the prophet is seen in a different position and a different character.

Allan Menzies - History of Religion: A Sketch of Primitive Religious Beliefs and Practices, and of the Origin and Character of the Great Systems

During another Persian war, which broke out in 622 and entailed the prolonged absence of the emperor from Constantinople, the Avars, not satisfied with the tribute extorted from the Greeks, made an alliance against them with the Persians, and in 626 collected a large army of Slavs and Asiatics and attacked Constantinople both by land and sea from the European side, while the Persians threatened it from Asia.

Nevill Forbes - The Balkans: A History of Bulgaria—Serbia—Greece—Rumania—Turkey