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Birth

Charlemagne's year of birth is uncertain, although it was most likely in 748. An older tradition based on three sources, however, gives a birth year of 742. The ninth-century biographer Einhard reports Charlemagne as being 72 years old at the time of his death; the Royal Frankish Annals imprecisely gives his age at death as about 71, and his original epitaph called him a septuagenarian. Einhard said that he did not know much about Charlemagne's early life; some modern scholars believe that, not knowing the emperor's true age, he still sought to present an exact date in keeping with the Roman imperial biographies of Suetonius which he used as a model. All three sources may have been influenced by Psalm 90: "The days of our years are threescore years and ten".

Historian Karl Ferdinand Werner challenged the acceptance of 742 as the Frankish king's birth year, citing an addition to the Annales Petaviani which records Charlemagne's birth in 747. Lorsch Abbey commemorated Charlemagne's date of birth as 2 April from the mid-ninth century, and this date is likely to be genuine. Matthias Becher built on Werner's work and showed that 2 April in the year recorded would have actually been in 748, since the annalists recorded the start of the year from Easter rather than 1 January. Presently, most scholars accept April 748 for Charlemagne's birth. Charlemagne's place of birth is unknown. The Frankish palaces in Vaires-sur-Marne and Quierzy are among the places suggested by scholars. Pepin the Short held an assembly in Düren in 748, but it cannot be proved that it took place in April or if Bertrada was with him.