By Emilia Wellesley · Published May 6, 2026 · Updated May 6, 2026
What Were the Journeys of Alexander the Great?
The journeys of Alexander the Great were a single continuous campaign of roughly twelve years, running from his crossing of the Hellespont in spring 334 BC to his death in Babylon on 10 or 11 June 323 BC. In that span Alexander III of Macedon (356-323 BC) marched an army of about thirty-five thousand men some twenty-two thousand kilometres, dismantled the Achaemenid Persian empire of Darius III (c. 380-330 BC), founded perhaps two dozen cities he named after himself, crossed the Hindu Kush twice, and pushed as far east as the Hyphasis River before his soldiers refused to go further. He was thirty-two when he died and left no acknowledged heir.
The campaign survives in five surviving narrative sources, all of them written between two and five centuries after the events. The fullest is Arrian’s Anabasis Alexandri, composed in the second century AD from the lost memoirs of Alexander’s officer Ptolemy son of Lagus and the Greek historian Aristobulus. Plutarch’s Life of Alexander belongs to the same period and prefers ethical anecdote to military chronology. Quintus Curtius Rufus, Diodorus Siculus, and Justin survive in fragments and Latin epitomes. What follows traces the journeys as the evidence allows, within the broader landscape of historical and archaeological mysteries and the long historiographical argument over what Alexander’s campaign actually was.
The Crossing into Asia, 334 BC
Alexander succeeded his father Philip II of Macedon in 336 BC, after Philip was assassinated at Aegae. Philip had spent two decades building the Macedonian army into the disciplined sarissa-armed phalanx with which Alexander invaded Asia, and had assembled the expeditionary force he intended to lead against Persia. Alexander inherited the army, the war, and the plan. He spent two years securing his position, sacking Thebes in 335 BC as a warning to Athens, and crossed the Hellespont in spring 334 BC with about thirty-two thousand infantry and five thousand cavalry [1].
Granicus and the Liberation of Ionia
In May 334 BC the western satraps of the Persian empire met him at the crossing of the Granicus river in the Troad. The cavalry engagement that followed was sharp and brief. Alexander, conspicuous in plumed helmet, was nearly killed in the melee and was saved by Cleitus the Black, the officer he would later kill in a drunken quarrel at Maracanda. Through the autumn of 334 BC Alexander moved down the Aegean coast accepting the surrender of Greek cities that had lived under Persian rule for two centuries, proclaiming the campaign a war of Hellenic liberation [2]. The propaganda framing was immediate; whether it described the campaign accurately is the question that still divides modern scholarship.
Issus and the Capture of Darius’s Family
A year later, on 5 November 333 BC, Alexander met Darius III in person for the first time, at Issus on the narrow coastal plain at the head of the Gulf of Iskenderun. Darius had marched a larger army behind the Macedonian column and cut its supply line; Alexander turned and gave battle on a frontage too narrow for the Persian numbers to deploy. The Macedonian cavalry charge broke the Persian centre, Darius fled in his chariot, and the Persian camp, including Darius’s mother Sisygambis and his wife Stateira, fell into Macedonian hands. Alexander treated the royal women with a courtesy that became a touchstone of his propaganda. The courtesy did not extend to the rest of the camp; followers and servants who had not run with Darius were enslaved [1].
Tyre, Egypt, and the Oracle at Siwa
Rather than pursue Darius eastward, Alexander turned south. The decision suggests strategic clarity: control the Mediterranean coast first, deny the Persian fleet its bases in Phoenicia and Egypt, and only then move into the Persian heartland. The siege of Tyre, the offshore Phoenician city protected by half a mile of open water, ran from January to August 332 BC. Alexander built a mole across the channel using stone from the abandoned mainland city, raised siege towers, and broke the seaward wall after seven months. The reprisals were severe: thousands killed, an estimated thirty thousand sold into slavery [3]. Gaza resisted for another two months. By November 332 BC he was in Egypt.
Pharaoh and Founder of Alexandria
Egypt opened to him without resistance. The Persian satrap Mazaces surrendered the country; the Egyptian priesthood, which had hated Persian rule for over a century, crowned Alexander as pharaoh at Memphis with the traditional double crown of the Two Lands. In the early months of 331 BC Alexander walked the western edge of the Nile delta, picked a long limestone ridge between the sea and Lake Mareotis, and laid out the gridded street plan of Alexandria. The city would outlast every other foundation of the campaign. Pierre Briant, in his Alexander the Great and His Empire: A Short Introduction (English edition Princeton, 2010), reads the Egyptian pharaonic coronation as a critical clue to Alexander’s evolving conception of his role: not Hellenic liberator imposing Greek institutions, but successor to whichever local sovereignty he had displaced [4].
Siwa and the Question of Divine Sonship
From Alexandria Alexander led a small column west across the desert to the oracle of Ammon at the Siwa oasis. Callisthenes, Alexander’s court historian and the nephew of Aristotle, reported that the priest greeted Alexander as the son of Ammon. Plutarch (Life of Alexander 27) says the priest simply stumbled over a Greek vocative ending. What matters historically is what Alexander did with whatever was said: he did not return claiming to be a god, but in subsequent years he began to permit, and at moments encourage, the language of divine descent. The propaganda function of Siwa, like the framing of Granicus as Hellenic liberation, may have been engineered by the campaign’s literary apparatus more than by its priesthood [5].
Gaugamela and the Fall of the Persian Heartland
The decisive battle of the Persian war was fought on 1 October 331 BC on the plain of Gaugamela east of the upper Tigris, near modern Tell Gomel in Iraqi Kurdistan. The date is fixed by the lunar eclipse of 20-21 September 331 BC, which several ancient sources describe and which astronomy now places to the day. Darius had chosen open ground where his advantage in cavalry, scythed chariots, and Indian war elephants could be brought to bear. Alexander refused frontal engagement, drew the Persian left out of position with an oblique cavalry advance, and led the Companion cavalry in a wedge through the gap that opened. By late afternoon the Persian centre had collapsed and Darius had fled again [3].
Babylon, Susa, and the Burning of Persepolis
Alexander entered Babylon in October 331 BC, accepted the city’s surrender without violence, and offered sacrifice to Marduk in the manner the Persian kings had abandoned. Susa fell in December with its treasury intact. Persepolis, the ceremonial heart of the Achaemenid dynasty, was occupied in January 330 BC; in May, after a winter’s pause, Alexander’s troops burned the palace complex. The explanation preserved in Arrian was retaliation for the Persian sack of Athens 150 years earlier; Plutarch and Curtius Rufus add a story in which the Athenian courtesan Thais set the first torch at a drunken banquet. Whatever combination of policy and impulse the burning represented, it reads in retrospect as the closing gesture of the Hellenic-revenge framing of the war. After Persepolis the campaign became something else [1].
Bactria, Sogdiana, and the Marriage to Roxana
Darius did not survive the summer. In July 330 BC he was murdered in his own carriage near Hecatompylos by the Bactrian satrap Bessus, who crowned himself the new Great King. Alexander pursued Bessus across the Iranian plateau and into Bactria and Sogdiana — what is now Afghanistan, Tajikistan, and Uzbekistan. The pursuit became a three-year counter-insurgency: the Sogdian baronage, fortified in their high rock citadels, had to be reduced fortress by fortress. The texture of the campaign in these years is dust on the Bactrian highway, oil lamps in the council tent, and a court that was no longer recognizably Macedonian.
Persian Dress and the Proskynesis Affair
In late summer 330 BC, in eastern Parthia, Alexander began to adopt elements of Achaemenid royal regalia: the diadem and selected aspects of Persian court ritual. The reasoning was structural. He had taken the throne of Darius; he could not govern Bactrians and Sogdians as a foreign occupier; the vocabulary of legitimate rule in the Achaemenid world was Persian. The Macedonian veterans understood the politics and resented them anyway. The flashpoint came in 327 BC at Bactra, when Alexander attempted to introduce proskynesis — the Persian gesture of obeisance — at his court. Persians performed it as courtly formality; Greeks performed the cognate gesture only before gods. Callisthenes refused. The experiment was abandoned, and Callisthenes was implicated in a conspiracy not long after and died in custody. Modern readers should be cautious here: the standard literary version of the proskynesis episode probably owes more to Roman moralizing about kingship than to categories Alexander’s contemporaries would have used [6].
Roxana
In 327 BC, after the storming of the Sogdian Rock, Alexander married Roxana, daughter of the Bactrian baron Oxyartes. The Macedonian sources present the marriage as a love match; the Bactrian context makes it a treaty. The pacification of Sogdiana required incorporating its aristocracy into the new order, and a marriage was the political technology that did so. Roxana would bear Alexander a posthumous son, Alexander IV, in 323 BC. Both would be murdered within the next decade in the wars of the successors.
India and the Hyphasis Mutiny
In spring 327 BC Alexander led the army back across the Hindu Kush eastward, into the Punjab. The Indian campaign of 327-325 BC was geographically ambitious, militarily costly, and politically inconclusive. Alexander allied with the king of Taxila, fought the Aspasians and Assacenians in the upper valleys of what is now northern Pakistan, and met King Porus of the Pauravas across the Hydaspes (modern Jhelum) in May 326 BC. The battle was the most expensive of his career. Porus’s war elephants disrupted the Macedonian phalanx and the monsoon rains had begun. Alexander prevailed and reinstated Porus as a tributary king, but the army that came through the battle was no longer the army that had crossed the Hellespont [7].
The Mutiny at the Beas
Eight years after Granicus, the veterans had had enough. At the Hyphasis river (the modern Beas, in Indian Punjab) in July 326 BC, ahead lay the Ganges plain and the larger kingdoms Alexander now intended to attack. The army refused. Coenus, speaking for the rank and file, told Alexander his soldiers wanted to see their wives and children before they died. Alexander withdrew to his tent for three days; the omens were judged unfavourable; the campaign would turn back. The historiographical argument here, advanced in different keys by Robin Lane Fox in Alexander the Great (1973) and Paul Cartledge in Alexander the Great: The Hunt for a New Past (2004), turns on whether the mutiny was a strategic catastrophe Alexander never recovered from, or a relief he half-welcomed [2][8].
The Gedrosian Desert and the Return to Babylon
The retreat was not a march back along the route they had come. Alexander led the bulk of the army down the Indus to its delta, then west along the Makran coast through the Gedrosian desert in late summer and autumn 325 BC. The desert march cost more men than any battle of the campaign; estimates of casualties run as high as three quarters of the column, though the figures depend on which conflicting source tradition one prefers. The fleet, commanded by Nearchus, sailed parallel to the coast and rejoined the army in Carmania in December. By spring 324 BC Alexander was back in Susa.
The Susa Weddings
At Susa in February 324 BC Alexander staged a five-day mass wedding ceremony in which roughly ninety members of his Macedonian command married Iranian noblewomen. Alexander himself married two Persian princesses: Stateira II, daughter of Darius III, and Parysatis II, daughter of Artaxerxes III. The ceremony was the most explicit programmatic statement of what historians now call the “fusion policy” — the integration of Macedonian and Iranian elites into a single imperial aristocracy. Whether the policy was working, or already failing in the resentment of the veterans, remains genuinely open. The marriages did not survive his death; most were repudiated within months [4].
Death in Babylon, 10 or 11 June 323 BC
In late May 323 BC, after a banquet at the house of Medius of Larissa in Babylon, Alexander developed a fever. The fever did not break. On the night of 10 or 11 June 323 BC, in the palace of Nebuchadnezzar II, he died at thirty-two. The cause has been argued for over two thousand years. Ancient poisoning theories implicated the regent Antipater and his sons Cassander and Iolaus; Plutarch dismissed the theory; Arrian and Diodorus reported it for completeness. Modern medicine has proposed malaria, typhoid fever, alcoholic liver disease, West Nile virus, and Guillain-Barré syndrome. Paul Cartledge, in his 2004 study, leans toward malaria contracted in the Mesopotamian marshes [8]. Asked on his deathbed who should inherit, Alexander is said to have answered tōi kratistōi — “to the strongest.” The wars of the successors began within weeks.
What the Journeys Were For
The deepest question the campaign poses is not where he went but what the going was for. Three interpretive frames have governed the modern argument. The first, descended from the German classicist Johann Gustav Droysen (1808-1884), reads Alexander as the Hellenizing civilizer who carried Greek language, philosophy, and city institutions into Asia and laid the foundations of the Hellenistic world. The second, advanced most forcefully by Pierre Briant from the 1990s onward, reads Alexander instead as a successor of the Achaemenid kings, his administrative practice continuing Persian satrapal structure with minor adjustments, his cultural policy pragmatic rather than missionary; on this reading the Hellenization thesis is a nineteenth-century European projection [4]. The third, advanced by the historian Ernst Badian (1925-2011) and more recent critics, treats Alexander as a brilliant and sometimes brutal imperialist whose conquests were primarily extractive and whose cultural legacy is what survived him in spite of, not because of, his intentions [9].
None of the three frames is wholly wrong. Alexander did spread Greek language and city institutions across western and central Asia; the Hellenistic kingdoms that emerged from the wars of the successors are unintelligible without him. He also continued Achaemenid administrative practice, married Iranian princesses, and adopted Persian regalia. He also sacked Tyre, burned Persepolis, sold tens of thousands into slavery, and led his army through a desert in which most of them died. The journeys were all of that simultaneously. The reader who insists on a single frame is choosing a politics, not reading a record.
What the Record Will Not Tell Us
Several questions remain genuinely open. The casualty figures of the Gedrosian march cannot be reconstructed reliably; Arrian and Curtius disagree by a factor of three. The cause of death cannot be determined from the surviving symptom descriptions; malaria, typhoid, and poisoning are all consistent with what is recorded. The whereabouts of Alexander’s body are documented as far as Alexandria, where Augustus visited the tomb in 30 BC and Caracalla visited it in AD 215; after the late third century AD the trail goes silent. Hephaestion’s death at Ecbatana in autumn 324 BC and Alexander’s near-deifying mourning of him remains the campaign’s strangest emotional record, and the relationship behind that grief — companion, lover, both, neither — sits where the sources will no longer answer the question. What the journeys meant has been argued ever since, and the argument is the proper response to a record this fragmentary and this consequential.
Frequently Asked Questions
When did Alexander the Great’s journeys take place?
The continuous campaign ran from spring 334 BC, when Alexander crossed the Hellespont with about thirty-five thousand troops, to 10 or 11 June 323 BC, when he died of fever at Babylon. Major waypoints were Granicus (May 334 BC), Issus (5 November 333 BC), the siege of Tyre (January-August 332 BC), Egypt and the oracle at Siwa (winter 332-331 BC), Gaugamela (1 October 331 BC), the burning of Persepolis (May 330 BC), the marriage to Roxana (327 BC), the Hydaspes (May 326 BC), the Hyphasis mutiny (July 326 BC), the Gedrosian desert (autumn 325 BC), and the Susa weddings (February 324 BC).
How far did Alexander march?
Estimates of total distance range from about twenty-two thousand kilometres (roughly fourteen thousand miles) to figures somewhat higher depending on whether the Gedrosian and Indus detours are counted at minimum or maximum reconstruction. The march took the army from Macedonia through Asia Minor, the Levant, Egypt, Mesopotamia, Persia, Bactria, the Hindu Kush, the Punjab, the Makran coast, and back to Babylon — a longer continuous land campaign than any commander before Genghis Khan would attempt.
Did Alexander really visit the oracle at Siwa?
Yes. In early 331 BC he led a small column from Alexandria west across the desert to the oasis of Siwa to consult the oracle of Ammon. What was said there is reported variously; Callisthenes claimed the priest greeted Alexander as the son of Ammon, Plutarch records a version in which a Greek vocative was simply mispronounced. The historical question is not what the priest said but what the campaign’s literary apparatus chose to make of it.
What was the proskynesis affair?
In 327 BC at Bactra Alexander attempted to introduce proskynesis, the Persian gesture of obeisance, at his court. Persians performed it as courtly etiquette without religious meaning; Greeks performed the cognate gesture only before gods. Callisthenes refused. The experiment was abandoned. The standard literary version of the episode probably owes more to Roman moralizing about kingship than to the categories Alexander’s contemporaries would have used.
Why did the army mutiny at the Hyphasis?
By July 326 BC the Macedonian veterans had been on campaign for eight years, had fought four major pitched battles and dozens of sieges, had crossed the Hindu Kush twice, and had just come through the costliest engagement of the war at the Hydaspes against Porus’s elephants. Coenus, speaking for the soldiers, told Alexander they wanted to see their wives and children. Ahead lay the Ganges plain and larger kingdoms still. Alexander withdrew to his tent for three days, then announced the army would turn back.
How did Alexander die?
After a banquet at the house of Medius of Larissa in Babylon in late May 323 BC he developed a fever and weakened over roughly two weeks. He died on the night of 10 or 11 June 323 BC at age thirty-two. Ancient poisoning theories implicated Antipater and his sons; Plutarch dismissed them. Modern proposals include malaria, typhoid, alcoholic liver disease, West Nile virus, and Guillain-Barré syndrome. Paul Cartledge leans toward malaria; no diagnosis is settled.
What is the Anabasis Alexandri?
The Anabasis Alexandri is the seven-book history of Alexander’s campaigns composed by Lucius Flavius Arrianus (Arrian of Nicomedia, c. AD 86-160) in the second century AD. It draws principally on the lost first-hand memoirs of Ptolemy son of Lagus, who became Ptolemy I of Egypt, and the Greek historian Aristobulus of Cassandreia. It is the fullest and most reliable surviving narrative of the campaign, though A. B. Bosworth and others since the 1970s have noted Arrian’s tendencies toward apologia and hagiography.
Was Alexander a Hellenizing civilizer or an imperialist?
The framings are not exclusive. The Enlightenment-era reading, descended from Droysen, treats him as the carrier of Greek civilization eastward; Pierre Briant, in Alexander the Great and His Empire (2010), reads him instead as a successor of the Achaemenid kings whose administration continued Persian practice; Ernst Badian and others read him as primarily an imperialist whose Hellenizing legacy was incidental. All three readings have evidence; none alone explains the campaign.
Did Alexander appoint a successor?
No. On his deathbed he is reported to have answered tōi kratistōi — “to the strongest” — when asked who should inherit. Whether the answer was real or a literary construction, no clear succession had been arranged. His widow Roxana bore a posthumous son, Alexander IV, in 323 BC; both were murdered in the wars of the successors. The empire fragmented within twenty-five years into the Hellenistic kingdoms of Ptolemy in Egypt, Seleucus in the east, and Antigonus and Cassander in Macedonia and the Aegean.
Where can the journeys be studied today?
The principal ancient sources are Arrian’s Anabasis Alexandri (Loeb Classical Library and Penguin Classics editions), Plutarch’s Life of Alexander in the Parallel Lives, Quintus Curtius Rufus’s Histories of Alexander the Great, and the relevant books of Diodorus Siculus and Justin. The standard modern works are Robin Lane Fox’s Alexander the Great (1973), Paul Cartledge’s Alexander the Great: The Hunt for a New Past (2004), and Pierre Briant’s Alexander the Great and His Empire: A Short Introduction (English edition Princeton, 2010). For Achaemenid context, Briant’s From Cyrus to Alexander (English edition Eisenbrauns, 2002) is unmatched.
