HistoryData
Historical ConflictNanda Empire

Conquest of the Nanda Empire

The Nanda–Mauryan War ended the Nanda dynasty and established the Mauryan Empire, one of ancient India's largest and most enduring polities.

Duration & Scope

-320 -319

1 year

Key Facts

Approximate dates
c. 323–321 BCE
Attacker
Chandragupta Maurya
Defender
Emperor Dhana Nanda (Nanda dynasty)
Capital besieged
Pataliputra
Mercenary forces cited
Bahlika, Kirata, Parasika, Kamboja, Saka, Greek

Strategic Narrative Overview

Chandragupta assembled a diverse army that, according to the Mudrarakshasa legends, included Bahlika, Kirata, Parasika, Kamboja, Saka, and Greek mercenaries. This coalition force campaigned against the Nanda Empire over approximately two years. The decisive phase was the invasion and capture of the Nanda capital, Pataliputra, where Chandragupta's forces defeated the army of Emperor Dhana Nanda and overthrew his rule.

01 / The Origins

In the late 4th century BCE, the Nanda dynasty ruled Magadha as one of the most powerful states in ancient India. Chandragupta Maurya, an ambitious military leader supported by the strategist Chanakya (Kautilya), sought to overthrow the Nandas and seize control of Magadha. The Nanda rulers were reportedly unpopular, creating political conditions that Chandragupta exploited to build a broad coalition of allied forces and mercenaries.

03 / The Outcome

The fall of Pataliputra ended the Nanda dynasty and allowed Chandragupta Maurya to establish the Mauryan Empire in Magadha around 321 BCE. This new empire would grow to become one of the largest in ancient India, eventually spanning much of the subcontinent. The conflict marked a fundamental shift in power across northern India, replacing an established dynasty with a new imperial order.

Belligerents & Mobilization Analysis

Side A

1 belligerent

Forces of Chandragupta Maurya
Key Commanders

Chandragupta Maurya.

Side B

1 belligerent

Nanda Empire (Emperor Dhana Nanda)
Key Commanders

Dhana Nanda.

Outcome
Mauryan victory; Nanda dynasty overthrown; Mauryan Empire established in Magadha

Kinetic Engagement Axis

Major engagements timeline (-320–-319)Timeline of major military engagements plotted chronologically.-320-319-321Siege of Patalip…Allied

Scroll horizontally to view full axis. Events plotted relatively.

Side A victorySide B victoryInconclusiveDecisive / turning point

Location

Map of Pataliputra, IndiaMap of Pataliputra, IndiaPataliputra, India