Wikipedia:Selected anniversaries/September 4
- 476 - Romulus Augustus, the last emperor of the Western Roman Empire, was deposed.
- 1781 - Los Angeles was founded as El Pueblo de Nuestra Señora la Reina de los Ángeles del Río de Porciúncula by 44 Spanish settlers.
- 1870 - France's Third Republic was declared.
- 1888 - Inventor George Eastman registered the trademark "Kodak".
- 1957 - Little Rock Crisis: The Governor of Arkansas in the US, tried to prevent nine African-American students from attending Little Rock Central High School in defiance of the US supreme court orders.
Recent days: September 3 – September 2 – September 1