Alexander and the Hellenistic Age

I. Introduction

From Democracy to Monarchy
- Greece's democratic experiment was replaced by the Macedonian Empire, a non-democratic state.
- The successor kingdoms established by Alexander the Great's generals continued this trend.
- Although politics regressed, other human achievements flourished, especially with the unification of the Eastern Mediterranean and Near East under the Hellenistic kingdoms.
- This unification led to a coherent economic and diplomatic system for the first time since the Collapse of the Late Bronze Age System.
- Resulting in significant economic growth and numerous scientific breakthroughs.

II. The Macedonian Conquest

The internal strife among the Greek Poleis ended Greece's democratic experience.
Constant warfare weakened Greece, making it vulnerable to external threats.

A. Philip II of Macedon (r. 359-336 BCE)

Greece's weakened condition presented an opportunity for Philip II (r. 359-336 BCE) of the kingdom of Macedon.
Macedon was a Greek-speaking kingdom, but less urban compared to the Greek Poleis; it was more rural.
The Companions and the Macedonian Phalanx
- Philip II modified the Greek phalanx formation by integrating spears of varying lengths, allowing for multiple ranks of hoplites to engage in combat effectively.
- Developed a cavalry formation known as the Companions, consisting of lance-bearing nobles.
- The two formations worked synergistically; the phalanx would engage the enemy, allowing the Companions to perform a flanking charge.
- After achieving dominance over local tribes, Philip II focused on Greece.
- Exploiting local dissent, Philip II gradually extended Macedonian influence over the Greek poleis from 350 BCE until his death in 336 BCE.
The League of Corinth
- Upon gaining control of Greece, Philip II established the League of Corinth to ensure peace and secure alliances for his planned invasion of the Persian Empire.
- Assassinated in 336 BCE, Philip II never executed his invasion plans.

B. Alexander the Great (r. 336-323 BCE)

Alexander succeeded Philip II as a twenty-year-old cavalry captain.

i. Conquest of the Persian Empire

Alexander quickly set out to realize his father's ambitions by invading the formidable Persian Empire.
As a talented commander, he achieved victories over the Persian army in three significant battles between 331 and 334 BCE.
During his campaign, he secured Egypt and founded the city of Alexandria.
Subsequently, he burned and looted the Persian capital of Persepolis.
Facing financial threats, Persian nobles assassinated Shah Darius III (336-330 BCE) and negotiated terms with Alexander, leading him to control the entire Persian Empire.
Alexander sought to conquer the entire world, invading Bactria (modern-day Afghanistan) and acquiring the Indus River Valley.
Eager to continue his campaign towards Indian kingdoms along the Ganges River, he encountered resistance from his troops, who refused further advancement due to their accumulated wealth.
This prompted Alexander to return to Babylon in Mesopotamia, where he eventually died, possibly from malaria, after a celebratory drinking party with generals.

ii. Campaigns in the East

III. The Hellenistic Age (c. 323-30 BCE)

Despite the fragmentation into competing kingdoms after Alexander's death, his conquests ushered in a long period of stability across the Near East and Eastern Mediterranean, fostering economic, cultural, and scientific growth.
This era is termed the Hellenistic Age, named after the Greek term for Greeks: Hellenes.
The common language, Greek, facilitated trade and cultural exchange.
Various groups within the Hellenistic world absorbed Greek ideas while also contributing to a shared Mediterranean culture.
Surprisingly, despite conflicts among successor dynasties, the Hellenistic Age represented a return to the economic, cultural, and diplomatic integration of the Late Bronze Age International System.

A. Successor Kingdoms

Following Alexander's unexpected death without succession instructions, his generals divided his expansive empire.
After this adjustment phase, three prominent dynasties emerged:
- i. Ptolemaic Egypt
- Established by General Ptolemy (c. 367-282 BCE), lasted about three centuries, culminating with Cleopatra as the final Ptolemaic monarch.
- ii. The Seleucid Dynasty
- Founded in Persia and Asia Minor by General Seleucus (c. 358-281 BCE).
- The dynasty eventually lost Persia to the Parthian Dynasty (247 BCE-224 CE) and was reduced primarily to the region of Syria.
- iii. The Antigonid Dynasty
- Governed Macedonia and Greece; although the smallest successor state, it had the most powerful military force.

B. Economic Growth

The Hellenistic world experienced a surge in trade for three key reasons:
- 1. Economic Integration
- Alexander's conquests connected Greece, Egypt, Syria, and Mesopotamia into a cohesive system, echoing the Late Bronze Age structure.
- The region retained cultural and economic unity post-division under the Hellenistic dynasties.
- 2. Currency Expansion
- The influx of currency looted from the Persian Empire stimulated trade significantly.
- Coinage, a recent innovation at the time, drastically simplified and accelerated trading processes.
- Alexander understood this necessity, leading to the melting and refashioning of looted wealth from Persia into coins bearing his image, thus increasing the money supply, which lowered interest rates.
- 3. Infrastructure Development
- Hellenistic monarchs actively promoted trade by constructing ports, extending road networks, and suppressing piracy.
- They sponsored caravan expeditions to increase tax revenue, thereby augmenting their military capabilities.
Urban Centers and New Trade Networks
- Trade expansion flourished both in pre-existing and newly established cities initiated during Alexander's rule.
- Urban centers like Alexandria (Egypt), Syracuse (Sicily), and Antioch (capital of the Seleucid state in Syria) became cosmopolitan trading hubs connecting Europe, Arabia, and Africa, with maritime links to India and overland routes to China via the Silk Road.
- Alexandria emerged as the most significant city, boasting a half-million population composed of diverse communities, and served as the leading commercial center during the Hellenistic Age, benefiting from its rich agricultural production and strategic harbor.

IV. The First Scientific Revolution

Alexandria also became the nucleus of scientific advancement during this pivotal era of intellectual achievement.
Sources of Intellectual Achievement
- Various factors contributed to this flourishing of knowledge:
- 1. Historical Integration
  - Hellenistic governance connected Greek rationalism and philosophy with earlier Egyptian and Mesopotamian scientific developments.
- 2. Unity of the Hellenistic World
  - The shared language of knowledge—Greek—facilitated the circulation and understanding of ideas.
- 3. Competition for Prestige
  - Hellenistic states competed not just economically and diplomatically, but also in seeking prestige.
  - Monarchs were incentivized to fund intellectual endeavors in hopes of enhancing their standing and obtaining practical benefits from new discoveries.
  - The Ptolemaic dynasty notably sponsored the Library of Alexandria, a significant repository of knowledge from the Near East and Greece.
Achievements in Mathematics and Astronomy
- Hellenistic scholars, drawing on Babylonian and Egyptian knowledge, made significant advancements:
- i. Euclid
  - Euclid was paramount among Hellenistic mathematicians, renowned for his systematic study of geometry.
  - Developed a deductive framework employing basic truths (axioms) to derive more complex conclusions (theorems).
  - His work, Elements of Geometry, became the most successful textbook in history, remaining relevant until the mid-twentieth century.
- ii. Aristarchus of Samos (c. 310-230 BCE)
  - Developed a heliocentric model of the universe, foreshadowing Copernicus by seventeen centuries.
  - Provided explanations for Mars' retrograde motion, challenging Aristotle's geocentric cosmology.
- iii. Eratosthenes (276-194 BCE)
  - Proved the Earth is round and calculated its circumference with remarkable accuracy, rounded within 200 miles.
  - Established foundations for scientific chronology and geographical concepts such as parallels and latitudes.
Achievements in Medicine
- Significant advancements occurred in medical research within Alexandria due to a relatively permissive atmosphere.
- Dissection of human corpses (prohibited in Greece) allowed for deeper anatomical understanding.
- Erasistratus (c. 304-250 BCE) rejected Hippocrates' theory of bodily humors, establishing new understandings of human anatomy, notably that arteries carried blood.
Achievements in Physics
- Archimedes (c. 287-212 BCE) is credited with separating physics from philosophy as an independent discipline.
- Demonstrated calculations of Pi and volumes of geometric shapes, like cylinders, through innovative methods.
- Developed principles to calculate the density and specific gravity of irregular objects, famously discovering these while in a bath and exclaiming "Eureka!"

V. Scientific Limits

Despite groundbreaking advancements, many scientific ideas failed to achieve consensus, particularly as later scholars rejected them.
Aristarchus's heliocentric model did not gain traction, as Aristotle's geocentric view prevailed, especially after Ptolemy (c. 100-170 BCE) reaffirmed those concepts.
Similarly, Galen (129-216 CE) favored Hippocratic ideas, causing Erasistratus's theories to fall from favor, perpetuating bloodletting practices until the nineteenth century.

VI. Conclusion

Hellenistic Legacy
- The Hellenistic Age, often overshadowed by Alexander's military campaigns and the struggles of democratic Greece, was, in fact, profoundly influential.
- The political and economic integration achieved during this period laid the groundwork for the rise of the Roman Republic and its subsequent evolution into a formidable empire.