Which disease cost Masamune his right eye as a child?
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Smallpox
The diseased eye was disfigured; Masamune later covered it with an eye patch or a cloth.
💡 Did you know? He is said to have ordered that portraits show him with both eyes.
11 questions · History
Date Masamune was born in 1567 at Yonezawa Castle in Dewa Province, in the harsh north of the main island of Honshū. As a child he caught smallpox and lost his right eye to it. His mother is said to have treated him coldly because of it, but he remained heir to the house of Date and took over its leadership in 1584, aged seventeen. Only a year later his father Terumune was seized by a neighbouring lord and died during the pursuit. Masamune took revenge and conquered castle after castle. In 1589 he beat the Ashina at Suriagehara and became the most powerful lord in the north-east. At his side was always his confidant Katakura Kagetsuna, known as Kojūrō. By then, however, Toyotomi Hideyoshi had almost unified Japan, and in 1590 he summoned all the lords to the siege of Odawara. Masamune took his time, dangerously long. When he finally arrived, he appeared before Hideyoshi dressed in white, the colour of death, as if ready to die. The performance saved his life, though he still had to give up part of his conquests. At the Battle of Sekigahara he sided with Tokugawa Ieyasu. Afterwards he built up Sendai as his new seat, with Aoba Castle high above the town; today Sendai is the largest city of the north-east. On his helmet Masamune wore a sweeping golden crescent moon, and he was called the “One-Eyed Dragon”. His gaze reached across the sea: in 1613 he sent his retainer Hasekura Tsunenaga on a Japanese-built ship via Mexico to Spain and Rome, where Pope Paul V received the embassy in 1615. The trade he had hoped for never came of it. Masamune died in Edo in 1636, nearly seventy, one of the last great warlords of the Sengoku period. His splendid mausoleum, the Zuihōden, stands in Sendai, and his equestrian statue still looks down on the city from the castle hill.
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Smallpox
The diseased eye was disfigured; Masamune later covered it with an eye patch or a cloth.
💡 Did you know? He is said to have ordered that portraits show him with both eyes.
One-Eyed Dragon
In Japanese the nickname is Dokuganryū; in China it had already belonged to the one-eyed Tang general Li Keyong.
💡 Did you know? The 1987 NHK drama “Dokuganryū Masamune” is one of the most successful historical series ever shown in Japan.
Suriagehara
The victory brought him Aizu and made the Date the strongest power in north-eastern Japan.
💡 Did you know? Hideyoshi took Aizu away from him again as early as 1590, because Masamune had waged war without permission.
White
He reached the siege of Odawara so late that he had to expect execution, and showed himself ready to die.
💡 Did you know? Hideyoshi is said to have tapped him on the neck with his stick and told him he had nearly lost his head.
Sendai
High above the town he had Aoba Castle built; Sendai became the centre of his domain.
💡 Did you know? Today Sendai, with around a million inhabitants, is the largest city in the Tōhoku region.
Crescent moon
The sweeping, slender crescent made him recognisable on the battlefield from far away.
💡 Did you know? The black armour with the crescent helmet is said to have been one model for Darth Vader’s helmet.
Hasekura Tsunenaga
The journey went on the Japanese-built San Juan Bautista across the Pacific to Mexico, and from there to Spain and Rome.
💡 Did you know? Some members of the embassy stayed in Spain; in Coria del Río people still bear the surname Japón.
Paul V
Hasekura delivered a letter from Masamune asking for trade with New Spain and for missionaries.
💡 Did you know? Hasekura was made an honorary citizen of Rome; the certificate survives in Sendai to this day.
Katakura Kagetsuna
He was first Masamune’s tutor and then his most important adviser and general.
💡 Did you know? The name Katakura Kojūrō was passed down in his family for generations.
1636
He died at his residence in the shogunate’s capital, where the lords had to stay at regular intervals.
💡 Did you know? His mausoleum, the Zuihōden in Sendai, was destroyed in the war in 1945 and later faithfully rebuilt.

Foto: Kanō Yasunobu · Public domain · Wikimedia Commons
Date Masamune
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