Alexander the Great, was a Macedonian king and a member of the Argead dynasty. Raised in Pella in 356 BC, he succeeded his father Philip II to the throne when he was 20 years old.He had built one of the ancient world's largest empires, ranging from Greece to north-western India.
The Macedonian King, Alexander launched a campaign on the Indian subcontinent in 326 BC after capturing the Achaemenid Empire of Persia.After gaining control of Gandhara, Alexander advanced to Punjab, where he fought against the regional king Porus, defeated by Alexander in the Battle of the Hydaspes.As a satrap, Alexander allowed Porus to continue to rule his own kingdom. While triumphant, it is likely that the Battle of the Hydaspes was also the Macedonians' most costly battle.