September 12 is the 255th day of the year (256th in leap years) in the Gregorian calendar; 110 days remain until the end of the year. == Events == === Pre-1600 === 490 BC – Battle of Marathon: The conventionally accepted date for the Battle of Marathon.
September 12 is the 255th day of the year (256th in leap years) in the Gregorian calendar; 110 days remain until the end of the year. == Events == === Pre-1600 === 490 BC – Battle of Marathon: The conventionally accepted date for the Battle of Marathon.
Source: Wikipedia "September 12" · CC BY-SA 4.0
Share this article: X · Bluesky