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Ashoka the Great: Kalinga War, Buddhist Edicts & Maurya Empire

Encyclopedia/3. History, Societies & Civilizations/02. South & Southeast Asian Civilizations/03. South & Southeast Asian Biographies  •  Curated by Admin Timeline.sg

Biographical timeline of Emperor Ashoka of the Maurya Dynasty, who renounced war after Kalinga and spread Dhamma across Asia.

Chronological Storyline (36 Milestones)

304 BCE

Ashoka born to Emperor Bindusara

Ashoka is born to Emperor Bindusara and Queen Dharma (or Subhadrangi) in Pataliputra. He was one of many princes in the Maurya dynasty. #history #india

Ashoka born to Emperor Bindusara
Ashoka born to Emperor Bindusara
By Photo Dharma from Sadao, Thailand - Detail of: ., CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=61783990
290 BCE

Ashoka serves as governor of Ujjain

Prince Ashoka is appointed as the governor of the Avanti region with capital at Ujjain. This role gives him administrative experience. #history #maurya

280 BCE

Ashoka sent to suppress Taxila rebellion

Ashoka is sent to Taxila to quell a rebellion, which he resolves peacefully. This showcases his military and diplomatic skills. #history #india

273 BCE

Bindusara's death and succession struggle

Emperor Bindusara dies and a succession war ensues among his sons. Ashoka emerges victorious after eliminating rival brothers. #history #maurya

268 BCE

Ashoka formally crowned emperor

Ashoka is formally crowned as the third Mauryan emperor, beginning his reign which will last until 232 BCE. #history #coronation

265 BCE

Ashoka annexes Kalinga region

Ashoka begins the conquest of Kalinga, a prosperous kingdom on the eastern coast. The region offers strategic access to trade routes. #history #war

Ashoka annexes Kalinga region
Ashoka annexes Kalinga region
By Jagged 85 at English Wikipedia - Transferred from en.wikipedia to Commons., Public domain, https://commons.wikimedia.org/w/index.php?curid=36896746
261 BCE

Eight-year Kalinga War ends in victory

After a brutal campaign, Ashoka conquers Kalinga. The war causes immense suffering, with over 100,000 killed and 150,000 deported. #history #buddhism

261 BCE

Ashoka experiences remorse after Kalinga

Witnessing the carnage of Kalinga, Ashoka is filled with deep remorse and vows to follow non-violence and Dhamma. This marks a turning point in his reign. #buddhism #peace

260 BCE

Ashoka converts to Buddhism

Ashoka formally converts to Buddhism under the guidance of the monk Upagupta (or Moggaliputta Tissa). He becomes a devoted lay follower. #buddhism #conversion

258 BCE

First Buddhist council at Pataliputra

Ashoka convenes the Third Buddhist Council at Pataliputra (preceded by earlier councils under other rulers) to codify the Dhamma and resolve disputes. #buddhism #council

257 BCE

Ashoka begins erecting edicts

Ashoka starts issuing the Major Rock Edicts, inscribed on rocks and pillars across the empire. These edicts propagate Dhamma and his policies. #history #inscriptions

Ashoka begins erecting edicts
Ashoka begins erecting edicts
By Sachin kumar tiwary - This image has been extracted from another file, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=70710778
256 BCE

Minor Rock Edicts proclaimed

Ashoka issues the Minor Rock Edicts, which describe his conversion and his personal efforts to spread Dhamma. These are found in scattered locations. #history #edicts

255 BCE

Lion Capital of Ashoka erected at Sarnath

Ashoka erects a pillar with a capital of four lions at Sarnath, site of Buddha's first sermon. This later becomes the national emblem of India. #art #symbolism

Lion Capital of Ashoka erected at Sarnath
Lion Capital of Ashoka erected at Sarnath
By Chrisi1964 - Detail of this file:, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=52617694
254 BCE

Ashoka sends missionaries to Sri Lanka

Ashoka sends his son Mahinda (or Mahendra) and daughter Sanghamitta to Sri Lanka to spread Buddhism. This leads to the establishment of Buddhism on the island. #buddhism #missions )

253 BCE

Mission to Hellenistic kingdoms

Ashoka sends Buddhist missionaries to the Hellenistic kingdoms of the Mediterranean, including Syria, Egypt, and Macedonia, as mentioned in his edicts. #buddhism #global

252 BCE

Construction of stupas and monasteries

Ashoka orders the construction of thousands of stupas and viharas (monasteries) across the empire, including the Great Stupa at Sanchi. #architecture #buddhism

Construction of stupas and monasteries
Construction of stupas and monasteries
By Biswarup Ganguly - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=27965645
251 BCE

Ashoka's Dhamma policy formalized

Ashoka codifies Dhamma as a set of ethical principles including non-violence, tolerance, and respect for all life. This becomes the foundation of his governance. #ethics #history

250 BCE

Pillar Edicts erected across empire

Ashoka commissions the Major Pillar Edicts, carved on tall stone pillars. These edicts provide detailed instructions on Dhamma and social welfare. #history #edicts

249 BCE

Ashoka visits Lumbini

Ashoka makes a pilgrimage to Lumbini, the birthplace of Buddha, and erects a pillar there to commemorate the visit. This is confirmed by an inscription. #buddhism #pilgrimage

Ashoka visits Lumbini
Ashoka visits Lumbini
By Bibek Raj Pandeya - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=62274966
248 BCE

Queens' Edict recorded

Ashoka's edict mentions his second queen Karuvaki and her charitable activities. This shows his inclusive policy. #history #women

247 BCE

Ashoka promotes vegetarianism and animal rights

Ashoka bans animal sacrifices and hunting for sport, and reduces meat consumption in the royal household. His edicts advocate kindness to animals. #ethics #vegetarianism

246 BCE

Establishment of hospitals for humans and animals

Ashoka establishes hospitals for both humans and animals across the empire, a pioneering welfare measure. #welfare #history

245 BCE

Ashoka builds roads and rest houses

Ashoka orders the construction of roads, rest houses, and wells for travelers and pilgrims. These improve trade and communication. #infrastructure #history

244 BCE

Edicts inscribed in multiple scripts

Ashoka ensures edicts are written in Prakrit using Brahmi and Kharosthi scripts, and in Greek and Aramaic in western regions. This facilitates wide dissemination. #language #inscriptions

243 BCE

Ashoka appoints Dhamma Mahamatras

Ashoka creates a new class of officers called Dhamma Mahamatras to spread Dhamma and oversee welfare across the empire. #administration #buddhism

242 BCE

Fourth Buddhist Council (convened by Ashoka?)

Some traditions hold that Ashoka convened the Third Buddhist Council around this time (though dates vary). It helps standardize Buddhist teachings. #buddhism #council

241 BCE

Ashoka's son Kunala is blinded?

According to legend, Ashoka's son Kunala is blinded by a queen's conspiracy. This story appears in later texts but may reflect palace intrigues. #legend #history

240 BCE

Ashoka builds the original Mahabodhi Temple

Ashoka constructs a temple at Bodh Gaya, the site of Buddha's enlightenment. This becomes an important pilgrimage center. #architecture #buddhism

Ashoka builds the original Mahabodhi Temple
Ashoka builds the original Mahabodhi Temple
By Bpilgrim - Own work, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=1762492
239 BCE

Ashoka preaches Dhamma to neighboring tribes

Ashoka's edicts mention that he has converted the forest and border tribes to Dhamma through peaceful means. #diplomacy #buddhism

238 BCE

Ashoka's daughter Sanghamitta ordained

Ashoka's daughter Sanghamitta becomes a Buddhist nun and later travels to Sri Lanka to establish the Bhikkhuni order. #buddhism #women

Ashoka's daughter Sanghamitta ordained
Ashoka's daughter Sanghamitta ordained
By MediaJet - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=27313679
237 BCE

Ashoka's edict on religious tolerance

The Major Rock Edicts explicitly state that all sects should be respected and that Ashoka honors all religious traditions. #tolerance #religion

236 BCE

Ashoka builds the Barabar Caves

Ashoka dedicates the Barabar Caves (in modern Bihar) to the Ajivika sect, showing his support for non-Buddhist ascetic traditions. #architecture #tolerance

Ashoka builds the Barabar Caves
Ashoka builds the Barabar Caves
By Photo Dharma from Penang, Malaysia - Clean up of this file:, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=68904033
235 BCE

Ashoka's last edict recorded

The final of the Major Pillar Edicts is inscribed, indicating Ashoka's continued commitment to Dhamma until the end of his life. #history #edicts

234 BCE

Ashoka falls ill and divides empire among sons

As Ashoka's health declines, he partitions the empire among his sons, including Kunala and Tivala, to ensure smooth succession. #history #succession

233 BCE

Ashoka's death and decline of Maurya empire

Emperor Ashoka dies at Pataliputra, aged around 72. His death leads to the fragmentation and eventual decline of the Maurya Empire within decades. #history #legacy

232 BCE

Ashoka cremated with Buddhist rites

Ashoka is cremated with full Buddhist honors. His remains are said to have been distributed and enshrined in stupas. #buddhism #funeral