- Sep 9 Charles Durant, 1st US aeronaut, flies a balloon from Castle Garden, NYC to Perth Amboy, NJ, a dsstance of about 25 miles, covered in 3 hours
- Sep 15 Duke of Wellington opens Liverpool & Manchester Railway
- Sep 15 First National Negro Convention begins in Philadelphia
- Sep 15 First passenger to be killed by a railway train (William Huskisson in England)
- Sep 16 Oliver Wendell Holmes writes poem "Old Ironsides" as tribute to the 18th-century USS Constitution
- Sep 20 1st Negro Convention of Free Men agree to boycott slave-produced goods
- Sep 23 Dutch troops occupy Brussels
- Sep 27 Dutch army leaves Brussels, after hundreds killed
Authors
Civil Rights Activists
Inventors
Kings
Revolutionaries
Scientists