Alexander the Great and his Macedonian army was composed of many groups like Thessalians and Macedonians. Greeks were a small portion of it: "The Greek cavalry

Alexander the Great and his Macedonian army was composed of many groups like Thessalians and Macedonians. Greeks were a small portion of it: "The Greek cavalry was not considered as effective or versatile as the Thessalian and Macedonian cavalry." https://en.wikipedia.org/wiki/Ancient_Macedonian_army https://en.wikipedia.org/wiki/Ancient_Macedonian_army