Second and First Centuries BCE, but Alexander's empire had fragmented upon his death into four smaller empires, one of which did not last very long. Of the three remaining empires, the Romans conquered the Macedonian Empire rather easily, with Macedonia becoming a Roman province in 146 BCE; the same year that Carthage and Corinth were destroyed. The Selucid Empire in the Middle East was next, and another relatively easy conquest for the Romans. The Ptolemaic Empire lasted longest until the death of Cleopatra, and Egypt finally became a Roman possession.
Alexander the Great defeated the Persian empire
The Roman Empire
Persian Empire
They weren't, the British empire attacked India and the British won.
Alexander the Great.
Yes he did.
He defeated Persia and took over its empire for himself.
Alexander the Great.
The biggest what are you talking about.
He defeated the Persians at the battle of issus.
When Alexander the Great was crowned king he began his campaign to create his empire. He fought and defeated the Persians and extended his empire into India.
It was defeated by Macedonia under Alexander the Great who took it over as an empire of his own.