Battle of Tatarahama

What Happened

On 13 April 1336, two armies met on the shore at Tatara in northern Kyūshū. The forces of Ashikaga Takauji (足利尊氏) faced those of Kikuchi Taketoshi (菊池武敏). The engagement, remembered as the Battle of Tatarahama (多々良浜の戦い, Tatarahama no tatakai), ended in victory for Takauji.

The date places the battle in the first year of the Engen era (延元), a reckoning of years used by the Southern Court. In the calendar of the Northern Court, which Takauji's side supported, the same months belonged to a different era name — a small illustration of how thoroughly the two courts divided even the counting of time.

The battle was one of many fought during the Nanboku-chō Wars, the decades-long struggle between two rival imperial courts for legitimacy and control of Japan. Tatarahama was decisive in securing Kyūshū, the southernmost of the main islands, for the Northern Court and the Ashikaga shogunate tied to it.

Background

The Nanboku-chō period — the "period of the Northern and Southern Courts" — began when the imperial line split into two competing branches. One court established itself in the north, in Kyoto, under the protection of the Ashikaga warrior house. The other, the Southern Court, claimed the legitimate imperial succession and withdrew to Yoshino, south of the capital. Each court asserted that its emperor was the true sovereign, and each commanded armies.

Ashikaga Takauji was the central military figure of the Northern cause. His family would give its name to the shogunate that governed Japan through the Muromachi period (1336–1573), the era in which this battle falls. But in 1336 that outcome was not yet settled. Takauji had suffered reverses in the preceding campaigning and had been pushed westward, away from the capital.

Kyūshū was the prize that could reverse his fortunes. The island was a long way from Kyoto, but it was rich in warrior houses whose allegiance could tip the balance of the wider war. Takauji moved to win it. Kikuchi Taketoshi, a member of the Kikuchi clan of Higo, stood against him on behalf of the Southern Court. The clash came at Tatara, on the coast.

Why It Mattered

The result gave Takauji control of Kyūshū. That mattered far beyond the island. With the south secured behind him, he could draw on Kyūshū's warriors and resources and turn back toward the capital. The victory at Tatarahama is counted among the steps that allowed the Northern Court and the Ashikaga shogunate to consolidate their hold on the country.

For the Southern Court, the loss of Kyūshū removed its most promising western base. The Nanboku-chō Wars did not end at Tatarahama — the two courts would continue to contest one another for decades — but the battle shaped the geography of the conflict, concentrating the Southern cause in its mountain redoubts rather than in a broad territorial power base.

The battle also belongs to the story of the Muromachi period as a whole. The Ashikaga shogunate that Takauji's victory helped make possible governed Japan for more than two centuries, and the institutions, titles and language of that government — the shogun (将軍), the shugo (守護) provincial governors, the daimyō (大名) lords — all trace their prominence to this era.

The Name in Japanese

The Japanese name is 多々良浜の戦い. It is read in kana as たたらはまのたたかい, and romanised as Tatarahama no tatakai.

Breaking it down:

• 多 — read here as ta. The character means "many" or "much". On its own it is a common kanji for abundance.
• 々 — read here as ta. This is not a kanji with a meaning of its own. It is a repetition mark, a symbol that tells the reader to repeat the preceding character. So 多々 is read tata, "many-many", and functions as a single place name element.
• 良 — read here as ra. The character means "good" or "fine". Together, 多々良 spells Tatara, a place name.
• 浜 — read here as hama. The character means "beach" or "seashore". It describes the coastal setting of the battle, and it is the element that tells a Japanese reader this is a shoreline.
• の — read no. This is the possessive particle, written in kana rather than kanji. It links the place name to what follows: "the battle of Tatarahama".
• 戦 — read here as tataka, from the verb 戦う, tatakau, "to fight". The character means "war", "battle" or "combat".
• い — read i. A kana ending that completes the word 戦い, tatakai, "a battle" or "a fight".

So the whole name reads, element by element, as "Tatara-beach's battle". The place name Tatara is written with the repetition mark 々, a piece of Japanese orthography worth recognising: it never appears in speech, only in writing, and it always doubles whatever character precedes it.

Key Figures

Ashikaga Takauji (足利尊氏) commanded the Northern Court forces at Tatarahama and won the day. His victory secured Kyūshū and set the Ashikaga house on the path to founding the shogunate that gave the Muromachi period its political character.

Kikuchi Taketoshi (菊池武敏) led the opposing army on behalf of the Southern Court. A member of the Kikuchi clan, he met Takauji at Tatara on 13 April 1336 and was defeated.