Southeast Asian armies had a weapon that weighed several tonnes, ate enormous amounts of food, and could completely change the way a battle looked.
Long before tanks and armored vehicles, kingdoms across mainland Southeast Asia used trained elephants in warfare. They carried soldiers, transported commanders, broke enemy formations and became closely associated with royal power.
According to historian Thomas R. Trautmann in Elephants and Kings: An Environmental History, the use of war elephants spread across Southeast Asia and continued for nearly two thousand years, beginning with early kingdoms such as Funan.
It's Not Just a Giant Horse
A trained elephant could carry a driver, known as a mahout, along with armed soldiers. The animal itself could also be equipped with protective gear and weapons.
Their greatest advantage was their size.
An elephant could push through obstacles and intimidate soldiers and horses that had never encountered one before. For kings and commanders, riding an elephant also gave them a much higher position from which to observe the battlefield.
That made elephants particularly useful in armies where the ruler or senior commanders were expected to personally lead their troops.
Trautmann notes that Southeast Asian kingdoms developed local methods of capturing and training wild elephants rather than relying entirely on imported animals.
Kings Sometimes Fought From Their Elephants
One of the most famous traditions developed in the wars between Burma and Siam.
During the age of Ayutthaya, rulers and military commanders could enter battle mounted on elephants. Royal elephants were not simply transport. They were part of the military and political spectacle surrounding the king.
The historical chronicles of Ayutthaya’s wars with Burma contain accounts of battles in which royal figures fought from elephant back, including the death of Queen Suriyothai during a 16th century battle.
The same chronicles also record later wars involving white elephants and Burmese invasions of Siam. This helped turn the war elephant into something larger than a battlefield weapon.
It became a symbol of kingship itself.
The Famous Elephant Duels
Southeast Asian history is also filled with stories of rulers confronting each other on elephants.
The most famous example involves King Naresuan of Ayutthaya and the Burmese crown prince Mingyi Swa during the 1590s. Thai historical tradition describes the two commanders meeting in combat on elephants, with Naresuan killing the Burmese prince.
The story became one of Thailand’s most famous military legends.
But there is an important caveat, historians have questioned whether the duel happened exactly as later Thai accounts describe it. So while elephant combat between commanders was a real feature of warfare, the details of individual royal duels should be treated carefully.
The Khmer Empire also made extensive use of elephants.
Trautmann’s research places war elephants within Southeast Asian military traditions going back to early kingdoms such as Funan, while the enormous stone reliefs of Angkor Wat depict elephants participating in military campaigns.
The animals were therefore part of warfare across different kingdoms and centuries, rather than belonging to a single empire or culture.
Then Guns Changed Everything
Eventually, elephants began losing their battlefield advantage.
The reason was technology. As firearms became more effective, an enormous animal carrying soldiers was no longer as difficult to counter. Elephants were still useful for transport, logistics and ceremonial purposes, but their role as a decisive battlefield weapon declined.
According to Michael W. Charney’s in Warfare in Premodern Southeast Asia, the spread and improvement of firearms contributed to the decline of elephants on the battlefield, with other forms of military power increasingly taking over some of their roles.
Interestingly, the war elephant didn’t disappear because anyone formally banned it.
International humanitarian law today does not contain a simple rule saying that animals cannot be used as weapons of war. Instead, existing laws focus on how warfare is conducted, including prohibitions on unnecessary suffering and restrictions on indiscriminate attacks.
A 2022 study in the International Review of the Red Cross in Animals in War: At the Vanishing Point of International Humanitarian Law, noted that international law still lacks a specific prohibition against using animals as weapons of war.
So the war elephant’s disappearance was largely a matter of changing warfare rather than a legal ban. By the 19th century, European military technology had further transformed warfare across Southeast Asia.
The age of the war elephant was fading.

