In the spring of 334, Alexander crossed with an army of between 30,000 and 40,000 men, Macedonians, Illyrians, Thracians and the contingents of the Greek states, into Asia.
Macedonians, and at Prophthasia the commander of the Macedonian cavalry Philotas, the son of Parmenio, and certain others were arraigned before the army on the charge of conspiring against the king's life.
The confluence of the Hydaspes and Acesines passed, the Macedonians were once more in a region of hostile tribes with towns to be stormed.
These opposed a national resistance to the Macedonians, the fires of which were fanned by the Brahmins, but still the strong arm of the western people prevailed.
The task of its internal reorganization now began to occupy him - changes, for instance, in the military system which tended to assimilate Macedonians and Orientals.