May 11 is the 131st day of the year (132nd in leap years) in the Gregorian calendar; 234 days remain until the end of the year. == Events == === Pre-1600 === 330 – Constantine the Great dedicates the much-expanded and rebuilt city of Byzantium, changing its name to New Rome and declaring it the new capital of the Eastern Roman Empire.
May 11 is the 131st day of the year (132nd in leap years) in the Gregorian calendar; 234 days remain until the end of the year. == Events == === Pre-1600 === 330 – Constantine the Great dedicates the much-expanded and rebuilt city of Byzantium, changing its name to New Rome and declaring it the new capital of the Eastern Roman Empire.
Source: Wikipedia "May 11" · CC BY-SA 4.0
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