Neo-Assyrian Empire
The Neo-Assyrian Empire was an empire in Mesopotamia during the Iron Age. During its existence from 911-609 BC, it was the largest empire in the world up to that time, doing many early techniques of imperialism which became normal in later empires. It was, according to many historians, the first real empire in history. It also pioneered many tactics such as arming themselves with iron weapons and employing advanced, effective military tactics.