Maurya Empire Collapses
In 185 BCE, the Mauryan emperor Brihadratha was assassinated by his own commander-in-chief, Pushyamitra Shunga, bringing an end to the dynasty that had unified much of the Indian subcontinent. The killing is traditionally treated as the endpoint of the Maurya Empire, though the empire's real decline had been underway for decades. Its fall mattered because it ended the first pan-subcontinental state in Indian history and opened a long period of regional kingdoms, foreign incursions, and cultural experimentation.
The Maurya Empire was founded around 321 BCE by Chandragupta Maurya, who, according to later tradition, was guided by the strategist Kautilya, associated with the treatise the Arthashastra. His grandson Ashoka, who reigned in the mid-third century BCE, ruled nearly the whole subcontinent and is remembered for promoting a policy of moral conduct, often called dhamma, after the bloody Kalinga war. The empire relied on a large army, a network of officials, and a capital at Pataliputra, but it was expensive to maintain and depended heavily on the authority of a strong ruler.
After Ashoka's death, around 232 BCE, the empire weakened. Historians propose several causes, though the evidence is thin and they disagree about their relative weight. These include succession disputes and possible division of the realm, financial strain from supporting a large bureaucracy and army, and the difficulty of controlling distant provinces. Pressure on the northwest frontier from Greek-ruled Bactria may also have played a role, and some regions likely drifted toward autonomy long before the final collapse.
Our main accounts of the end come from later sources, including Sanskrit literary and Buddhist texts, which are not always consistent. They describe Pushyamitra killing Brihadratha during a military review and then taking power. Some scholars have argued that this reflected a Brahmanical reaction against Mauryan support for Buddhism, but that interpretation is debated, and the evidence for large-scale persecution is contested.
Pushyamitra founded the Shunga dynasty, which controlled the Ganges heartland but nothing like the former empire's extent. Elsewhere, new powers emerged: the Satavahanas in the Deccan, Indo-Greek kingdoms in the northwest, and later the Kalingan ruler Kharavela in the east. This fragmentation encouraged vibrant trade, new artistic traditions, and cultural exchange across Central Asia and beyond.
The Mauryan legacy nevertheless endured. Ashoka's inscriptions, the model of centralized administration, and the ideal of a universal ruler influenced later dynasties, most notably the Guptas. In modern India, Ashoka's lion capital serves as the national emblem, a reminder of the empire's lasting symbolic power.