9th century BC

It was a period of great change for several civilizations.

In Egypt, a severe flood covers the floor of Luxor temple, and years later, a civil war starts.

It is the beginning of the Iron Age in Central Europe, with the spread of the Proto-Celtic Hallstatt culture, and the Proto-Celtic language.

The major Olmec site of San Lorenzo Tenochtitlán in Mesoamerica declined in importance, after having been active since 15th century BC.

See: List of sovereign states in the 9th century BC.