Who crossed khyber pass at first?

The Khyber Pass has been crossed by various groups throughout history, but one of the earliest recorded crossings was by Alexander the great in 327 BCE during his campaign to conquer the Persian Empire. He used the pass to invade India, showcasing its strategic significance. Additionally, the pass has seen numerous invasions and migrations over the centuries, including those by the Maurya Empire and later by various Central Asian tribes.