Mongol invasions of Vietnam

Long ago, a large empire moved into new lands.

They wanted to rule the lands in the south. This led to many fights with local people.

In one fight, the people used big elephants. The soldiers used arrows to scare the animals. This made the battle very hard for them.

The leaders had to leave their capital city. They moved to stay safe. Later, the people and the empire made a deal. This helped to stop the fighting. It was a very big change for the land.

Long ago, the Mongol Empire was very large.

They wanted to control more land in the south. This led to many wars with two kingdoms. One was Đại Việt in the north. The other was Champa in the center.

In 1258, the first Mongol attack began. The Mongols wanted to use Đại Việt to reach the Song dynasty.

The Vietnamese used war elephants in battle.

But Mongol soldiers shot arrows at the elephants' feet. The animals panicked and caused trouble for the army. The Vietnamese leaders had to leave their capital city. They moved to stay safe. Eventually, the Vietnamese ruler made a deal with the Mongols. This helped to stop the fighting for a while.

Later, the Yuan dynasty began by Kublai Khan attacked again. They wanted more power and more gifts from the local rulers. There were more fights in 1285 and 1287. After these wars, both kingdoms decided to follow the Yuan dynasty. They did this to avoid more fighting. This helped keep peace in the region.

In the 1200s, the Mongol Empire was a massive force.

It controlled huge parts of Eurasia, from Eastern Europe to North China. The Mongols wanted to expand their power further south. This led to several military campaigns against two kingdoms in Southeast Asia. One kingdom was Đại Việt in the north. The other was Champa in the center.

These wars changed how these lands interacted with the world.

The first major conflict began in 1258.

The Mongol leader Uriyangkhadai led an army into Đại Việt. The Mongols wanted a path to attack the Song dynasty. The Vietnamese ruler, Trần Thái Tông, tried to stop them. During the Battle of Bình Lệ Nguyên, the Vietnamese used war elephants.

Mongol soldiers shot arrows at the elephants' feet. This caused the animals to panic and disrupt the Vietnamese lines. The Vietnamese leaders had to flee their capital, Thang Long.

History shows that these wars happened in several waves.

After the first invasion, the Mongols moved north to attack the Song. Later, the Yuan dynasty was founded by Kublai Khan. He launched a naval invasion of Champa in 1283. The Yuan also sent more troops to Đại Việt in 1285. They wanted more tribute and direct control over local leaders. In 1287, they launched a third invasion to replace the Vietnamese ruler.

Many specific details help us understand these events.

The first Mongol force included at least 30,000 soldiers. Some sources say 2,000 of these were Yi troops from Dali. In one battle, the Vietnamese army suffered 10,000 deaths. The Mongols used cavalry and large numbers of troops to push forward. Eventually, the Vietnamese ruler Trần Nhân Tông faced the Yuan pressure. Both Đại Việt and Champa had to make difficult choices to survive.

These invasions had lasting effects on the region.

After the fighting, both kingdoms became tributary states. This meant they sent gifts to the Yuan dynasty to maintain peace. While some scholars see this as a Mongol success, many Vietnamese see it as a great victory. They successfully defended their land against foreign invaders. This period shows how leaders used diplomacy to avoid more conflict. It connects to the history of how different empires shared power.

The Mongol invasions of Vietnam were a series of major military campaigns during the 13th century.

These attacks targeted two distinct kingdoms in Southeast Asia. One was Đại Việt, located in the north, ruled by the Trần dynasty. The other was Champa, located in central Vietnam. These conflicts were driven by the expansionist goals of the Mongol Empire and later the Yuan dynasty.

While some scholars view the resulting tributary relations as a Mongol success, Vietnamese history records these wars as a major victory against foreign invaders.

The Mongol strategy often involved using local territories to launch attacks on larger neighbors. In the 1250s, the Mongol Empire controlled vast areas of Eurasia. Möngke Khan planned to attack the Song dynasty in southern China from three different directions. To avoid a difficult frontal assault across the Yangtze River, he sought a base in the southwest.

This required first conquering the Dali Kingdom in modern-day Yunnan. In 1253, Kublai Khan led a three-pronged attack on Dali. His forces used inflated sheepskin rafts to cross the Jinsha River at night. After capturing the capital of Dali, the Mongols left the native dynasty in place under Mongolian supervision.

The first invasion of Đại Việt began in 1258.

The Mongol general Uriyangkhadai sought a path through Vietnamese territory to attack the Song dynasty. He sent envoys to the Vietnamese ruler, Trần Thái Tông, demanding submission. The Vietnamese ruler refused and imprisoned the envoys. In response, Uriyangkhadai led an army into Đại Việt. This force included at least 30,000 soldiers, including 2,000 Yi troops from the Dali Kingdom.

Fighting was intense during the early stages of the conflict. At the Battle of Bình Lệ Nguyên, the Vietnamese deployed war elephants.

The Vietnamese leader, Trần Thái Tông, even commanded his troops from atop an elephant. However, Mongol soldiers targeted the elephants' feet with arrows. The panicked animals caused disorder and led to a Vietnamese defeat. Vietnamese historian Lê Tắc reported that 10,000 soldiers died in two battles between January 17 and January 22. The Vietnamese leaders were forced to evacuate their capital, Thăng Long, which the Mongols then occupied.

Following the first invasion, the political landscape shifted. After nine days in Thăng Long, Uriyangkhadai moved north to attack the Song dynasty. This was part of a coordinated effort involving other Mongol armies in Sichuan, Shandong, and Henan. In the interim, the Vietnamese ruler Trần Thái Tông established diplomatic and tributary relations with the Mongols. He retired in 1258, and his son, Trần Hoảng, succeeded him. This period of relative peace ended when the Yuan dynasty, founded by Kublai Khan, turned its attention back to the south.

The Yuan dynasty launched further campaigns to increase their control. In 1283, Kublai Khan ordered a naval invasion of Champa.

The Mongols wanted to control Champa because it dominated sea routes between China and Southeast Asia. In 1285, the Yuan launched another invasion of Đại Việt to demand more tribute and direct oversight. A third invasion followed in 1287. The goal of this campaign was to replace the Vietnamese ruler, Trần Nhân Tông, with a defected prince named Trần Ích Tắc.

Despite the scale of these invasions, the outcomes were complex. The second and third invasions involved both Mongol successes and major defeats. Eventually, both Đại Việt and Champa decided to accept the nominal supremacy of the Yuan dynasty. They became tributary states to prevent further large-scale conflict. This meant they sent gifts and recognized the Yuan as superior to maintain peace. This era highlights how military pressure can force kingdoms into new diplomatic systems to ensure survival.