Your Day in the Ancient Greek World
May 20
May 20 in ancient Greece is represented in our source-audited archive by 3 verified records spanning AD 325 to AD 491. Together, the entries below connect this calendar date with different moments in the ancient Greek world through historical and documentary evidence.
Across the centuries
On This Day
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AD 325
Event That Shaped History
The Council of Nicaea Convenes
A later ecclesiastical chronological tradition dates the opening of the Council of Nicaea to May 20, AD 325.
Sources
Primary evidence
- Socrates Scholasticus, Ecclesiastical History I
Modern scholarship
- Nicene and Post-Nicene Fathers chronological edition
Public links
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AD 489
Life on This Day
An Apion Estate Lease Is Drawn Up at Oxyrhynchus
On May 20, AD 489, a Greek contract from the Apion archive leased agricultural land at Oxyrhynchus.
Sources
Primary evidence
- P.Flor. III 325
Modern scholarship
- PSI Online catalogue
- Corrected late antique chronology
Public links
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AD 491
Event That Shaped History
Ariadne Marries the New Emperor Anastasius
On May 20, AD 491, Empress Ariadne married Anastasius I shortly after his accession.
Sources
Primary evidence
- Late antique chronicles of the accession and marriage of Anastasius I
Modern scholarship
- Modern Byzantine chronology
- Anthony Kaldellis, The New Roman Empire
Public links