Indo-Greek Kingdom
In about 200 BC, Demetrius I of Bactria led an army south across the Hindu Kush mountains into the Indian subcontinent. This invasion marked the beginning of a new political era in South Asia following the collapse of the Mauryan Empire. The Greeks to the east of the Seleucid Empire had already divided into two distinct groups: the Graeco-Bactrian Kingdom and what would become the Indo-Greek Kingdoms. Demetrius is generally considered the founder of this realm because he was the first to launch a sustained Greek expansion into India proper. His conquests included the Kabul Valley and Arachosia, areas that served as gateways to the rest of the region. Coins from his reign found in these provinces show him wearing an elephant scalp, a symbol borrowed from Alexander the Great to signify his Indian victories. He also received the title King of India after securing territories south of the Hindu Kush. Some scholars suggest he may have struck no Indian-standard coins because his conquests did not penetrate deep enough into India or because he died before consolidating them. A peace treaty with Antiochus III around 206 BC included an offer of marriage between Demetrius and Antiochus' daughter, cementing dynastic alliances. The calendar of the Yonas began in 186/5 BC, though the specific event commemorated remains uncertain. Later kings like Lysias and Philoxenus adopted the cult title Aniketos, meaning Invincible, which Demetrius had assumed.
Menander I ruled Punjab from Sagala, his capital located in present-day Sialkot, between 165 BCE and 130 BCE. He is considered the most successful of all Indo-Greek kings, with coin finds more numerous and geographically widespread than any other ruler. His coins appear as far away as Eastern Punjab over 600 miles distant from his base. Menander expanded the kingdom to its greatest extent through various military campaigns that reached Mathura and possibly even the Ganges-Jamuna valley. Buddhist literature known as the Milinda Panha describes him as a convert to Buddhism who became an arhat, whose relics were enshrined in stupas similar to those of the Buddha. Plutarch recorded that when Menander died, the cities agreed to divide his ashes equally and erect monuments to him in all their cities. This practice mirrors the story of the Buddha's passing and suggests deep cultural integration. He introduced a new coin type featuring Athena Alkidemos on the reverse, which was adopted by most of his successors in the East. Archaeological evidence confirms Greek presence extended from the Kabul Valley to eastern Punjab during his reign. However, the nature of expeditions beyond this region remains controversial. Some sources claim Greeks may have reached the Shunga capital Pataliputra, but numismatic evidence does not support this claim. King Kharavela of Kalinga later routed a demoralized Indo-Greek army back to Mathura around the first century BC. The Yuga Purana text describes events in the form of prophecy regarding these invasions.
After Demetrius' death, kings Pantaleon and Agathocles struck the first bilingual coins with Indian inscriptions found as far east as Taxila between 185 and 170 BC. These early coins used the Brahmi script while later rulers generally switched to Kharoshthi. They incorporated Indian deities variously interpreted as Hindu gods or the Buddha alongside traditional Greek figures. Six Indian-standard silver drachmas discovered at Ai-Khanoum in 1970 depict Hindu deities including Balarama-Sankarshana holding a mace and plow, and Vasudeva-Krishna with a conch and wheel. Buddhist wheels known as Dharmachakras still appear on Menander I's coinage. Indian animals such as elephants, bulls, and lions were used extensively in square coinage with possible religious overtones. Apollodotus I became independent around 180/175 BC and reigned in Gandhara and western Punjab. Large numbers of his coins have been found in India, indicating he was the first proper Indo-Greek king who did not rule from Bactria. The only thing reasonably sure is that Taxila was part of Agathocles' domain. These first attempts at incorporating Indian culture were partly preserved by later kings who continued striking bilingual coins sometimes in addition to Attic coinage. Greek deities remained prevalent even as Indian symbols gained prominence.
The Indo-Greek kings combined Greek and Indian languages and symbols seen on their coins while blending ideas visible in archaeological remains. A vast hoard of coins featuring a mixture of Greek profiles and Indian symbols points to rich fusion at sites like Taxila, Sirkap, and Sirsukh. Some Greeks converted to Buddhism during this period, including King Menander who became an arhat according to the Milinda Panha. Buddhist emissaries sent by Ashoka reached Greek lands as far as the Mediterranean, establishing diplomatic and religious ties. Mahadharmaraksita led a delegation of thirty thousand monks from Alexandria-of-the-Caucasus to Sri Lanka around 130 BC for the opening of the Great Stupa. Greek populations within Ashoka's domain may have had special privileges established by terms of the Seleucid alliance. Rock Edict Thirteen indicates the existence of a Greek principality in northwest India which was not ruled by him but for which he sent missionaries. The second Kandahar edict written purely in Greek is part of the Fourteen-Rock-Edicts corpus found at Kandahar. Fragments of a Greek translation of Edicts XII and XIII were discovered there alongside Aramean translations. The finest pillars of Ashoka were executed by Greek or Perso-Greek sculptors working alongside local craftsmen. Foreign artisans such as Persians and Greeks copied skills with avidity contributing to Mauryan art blossoming. The term Yavana designated Hellenistic Greeks starting with Ashoka's Edicts where he wrote about the Yavana king Antiochus.
Western sources for accounts of Bactrian and Indo-Greek history include Polybius born around 200 BC, Strabo who drew on lost histories, and Justin writing after 87 BC. Most narrative history has survived for the Hellenistic world but lacks detailed records for India itself. The main Greco-Roman source is Justin who wrote an anthology drawn from Pompeius Trogus. Indian literary sources range from the Milinda Panha dialogue between Nagasena and Menander to the Yuga Purana describing invasions as prophecy. Chinese expeditions recorded in Records of the Grand Historian provide additional evidence though identification of places remains difficult. Archaeological methods confirm territory only from Kabul Valley to eastern Punjab while Greek presence elsewhere was probably short-lived. The extent of rule in Mathura has been disputed despite inscriptions mentioning year 116 of Yavana hegemony suggesting control until 70-60 BC. Figurines of foreigners appear in terracottas from Mathura dated fourth to second century BCE showing foreign ethnic affinities. A helmeted head of a soldier known as Persian nobleman wears coat scarf trousers and turban now housed in Mathura Museum. The term Yavana had precise meaning well into Christian era before degenerating into general term for foreigner like Mleccha.
From mid-second century BC Scythians pushed forward by Yuezhi began invading Bactria from north around 130 BC. Nomadic people from Jaxartes region overrun northern boundary of Bactria itself killing last Greco-Bactrian king Heliocles. Parthians also played role in downfall of kingdom supplanting Scythians. Indo-Greek states lasted until shift between BC and AD when they disappeared as political entity following invasions of Indo-Scythians. Pockets of Greek populations remained several centuries longer under subsequent rule of Indo-Parthians Kushans and Western Satraps state which lingered up to 415 AD. After Menander's death empire greatly reduced due emergence of new kingdoms and republics within India. Most eminent entities reform were Yaudheya and Arjunayanas military confederations annexed by Maurya Empire. These republics began minting new coins mentioning military victories reminiscent of Indo-Greek type coins. Junagadh rock inscription details conquests of Saka King Rudradaman I over Yaudheya Republic reaffirming independence during time of Indo-Scythian invasions. Mathura was under control of Indo-Scythian Northern Satraps from first century of Christian era. The seriousness of attacks remains doubtful though Menander may have joined raids led by Indian kings down Ganges.
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Common questions
Who founded the Indo-Greek Kingdom in 200 BC?
Demetrius I of Bactria founded the Indo-Greek Kingdom when he led an army south across the Hindu Kush mountains into the Indian subcontinent around 200 BC. He is generally considered the founder because he was the first to launch a sustained Greek expansion into India proper.
When did Menander I rule Punjab from Sagala and what happened after his death?
Menander I ruled Punjab from Sagala between 165 BCE and 130 BCE before his death triggered cities to divide his ashes equally and erect monuments to him. His reign marked the greatest extent of the kingdom reaching Mathura and possibly the Ganges-Jamuna valley.
What coins were struck by Pantaleon and Agathocles between 185 and 170 BC?
Pantaleon and Agathocles struck the first bilingual coins with Indian inscriptions found as far east as Taxila between 185 and 170 BC. These early coins used the Brahmi script while later rulers generally switched to Kharoshthi and incorporated Indian deities alongside traditional Greek figures.
How many monks did Mahadharmaraksita lead to Sri Lanka in 130 BC?
Mahadharmaraksita led a delegation of thirty thousand monks from Alexandria-of-the-Caucasus to Sri Lanka around 130 BC for the opening of the Great Stupa. This mission established diplomatic and religious ties following Buddhist emissaries sent by Ashoka that reached Greek lands as far as the Mediterranean.
When did the Indo-Greek states disappear as a political entity due to invasions?
Indo-Greek states lasted until the shift between BC and AD when they disappeared as a political entity following invasions of Indo-Scythians. Nomadic people from the Jaxartes region overran northern Bactria killing last Greco-Bactrian king Heliocles around 130 BC before Scythians pushed forward.