September 20 is the 263rd day of the year (264th in leap years) in the Gregorian calendar; 102 days remain until the end of the year. == Events == === Pre-1600 === 1058 – Agnes of Poitou and Andrew I of Hungary meet to negotiate about the border territory of Burgenland.
September 20 is the 263rd day of the year (264th in leap years) in the Gregorian calendar; 102 days remain until the end of the year. == Events == === Pre-1600 === 1058 – Agnes of Poitou and Andrew I of Hungary meet to negotiate about the border territory of Burgenland.
Source: Wikipedia "September 20" · CC BY-SA 4.0
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