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Hirohito

Hirohito is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Hirohito rather than just read about it. In short: Emperor Shōwa (29 April 1901 – 7 January 1989), personal name Hirohito, was Emperor of Japan from 25 December 1926 until his death on 7 January 1989. He reigned during a period of increasing Japanese nationalism and militarism, culminating in the entry of the Empire of Japan into World War II as an Axis power.

Hirohito — main illustration
Hirohito — illustration

Key takeaways

  • Hirohito belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Hirohito to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Hirohito from memory before moving on to harder problems.

Reference excerpt

Emperor Shōwa (29 April 1901 – 7 January 1989), personal name Hirohito, was Emperor of Japan from 25 December 1926 until his death on 7 January 1989. He reigned during a period of increasing Japanese nationalism and militarism, culminating in the entry of the Empire of Japan into World War II as an Axis power. The atomic bombing of Hiroshima and Nagasaki led Hirohito to announce the surrender of Japan to the Allies in August 1945. Under pressure from the Allies, he issued the Humanity Declaration in January 1946, rejecting the divinity of the emperor as a descendant of Amaterasu. The Constitution of Japan, adopted in November 1946, emphasizes pacifism and constitutional monarchy, in contrast to imperialism and absolute monarchy. After the war, he reigned over a period of unprecedented economic growth known as the Japanese economic miracle. Hirohito reigned for 62 years and 13 days, the longest reign in Japanese history and the 12th longest verifiable reign in world history. Hirohito was born during the reign of his paternal grandfather, Emperor Meiji, as the first child of Crown Prince Yoshihito and Crown Princess Sadako (later Emperor Taishō and Empress Teimei). When Emperor Meiji died in 1912, Hirohito's father ascended the Chrysanthemum Throne, and Hirohito was proclaimed Crown Prince of Japan in 1916, making him the heir apparent. In 1921, he made an official visit to six European countries, marking the first time a Japanese crown prince had traveled abroad. Due to his father's ill health, Hirohito became Sesshō of Japan (regent) that same year. In 1924, he married Princess Nagako Kuni, with whom he later had seven children: Shigeko, Sachiko, Kazuko, Atsuko, Akihito, Masahito and Takako. He became emperor upon his father's death in 1926. As Japan's head of state, Emperor Hirohito oversaw the rise of militarism in Japanese politics. In 1931, he raised no objection when Japan's Kwantung Army staged the Mukden incident as a pretext for the invasion of Manchuria. Following the onset of the Second Sino-Japanese War in 1937, tensions steadily grew between Japan and the United States. After Hirohito formally sanctioned his government's decision to go to war against the U.S. and its allies on 1 December 1941, Japan entered World War II upon its military's attack on Pearl Harbor as well as its invasion of American and European colonies in Asia and the Pacific. After the atomic bombings of Hiroshima and Nagasaki and the Soviet invasion of Japanese-occupied Manchuria and Korea, Hirohito called upon the Imperial Japanese Armed Forces (IJAF) to surrender in a radio broadcast on 15 August 1945. While historians agree Hirohito was involved to at least some extent in Japan's military strategy and war crimes during the conflict, the degree of that involvement remains disputed. Following Japan's surrender, Emperor Hirohito was never prosecuted for war crimes at the International Military Tribunal for the Far East (IMTFE), even though the war had been waged in his name. After the surrender, Japan came under Allied occupation, administered primarily by the United States. The Supreme Commander for the Allied Powers, U.S. General Douglas MacArthur, believed that a cooperative emperor would facilitate a peaceful occupation and support U.S. postwar objectives. MacArthur therefore excluded any evidence from the tribunal that could have incriminated Hirohito or other members of the Imperial House of Japan. In 1946, Hirohito was pressured by the Allies to renounce his divinity. Under Japan's post-war constitution, drafted by U.S. officials and enacted in 1947, his role as emperor was redefined as "the symbol of the State and of the unity of the People". He died at Fukiage Ōmiya Palace, aged 87, of a duodenal cancer (adenocarcinoma). He was succeeded by his elder son, Akihito, beginning the Heisei era.

Early life and education

Hirohito was born on 29 April 1901 at Tōgū Palace in Aoyama, Tokyo during the reign of his grandfather, Emperor Meiji, the first son of 21-year-old Crown Prince Yoshihito (the future Emperor Taishō) and 16-year-old Crown Princess Sadako, the future Empress Teimei. He was the grandson of Emperor Meiji and Yanagiwara Naruko. His childhood title was Prince Michi. Ten weeks after he was born, Hirohito was removed from the court and placed in the care of Count Kawamura Sumiyoshi, who raised him as his grandchild. At the age of 3, Hirohito and his brother Yasuhito were returned to court when Kawamura died – first to the imperial mansion in Numazu, Shizuoka, then back to the Aoyama Palace. In 1908, he began elementary studies at the Gakushūin (Peers School). Emperor Mutsuhito then appointed General Nogi Maresuke to be the Gakushūin's tenth president as well as in charge of educating his grandson. After Nogi's death, his education was led by Fleet Admiral Togo Heihachiro and Naval Captain Ogasawara Naganari, who would later become his major opponents with regards to his national defense policy.

During 1912, at the age of 11, Hirohito was commissioned into the Imperial Japanese Army as a Second Lieutenant and in the Imperial Japanese Navy as an Ensign. He was also bestowed with the Grand Cordon of the Order of the Chrysanthemum. When his grandfather, Emperor Meiji died on 30 July 1912, Yoshihito assumed the throne and his eldest son, Hirohito became heir apparent. Shiratori Kurakichi, one of his middle-school instructors, was one of the personalities who deeply influenced the life of Hirohito. Kurakichi was a trained historian from Germany, imbibing the positivist historiographic trend by Leopold von Ranke. He was the one who inculcated in the mind of the young Hirohito that there is a connection between the divine origin of the imperial line and the aspiration of linking it to the myth of the racial superiority and homogeneity of the Japanese. The emperors were often a driving force in the modernization of their country. He taught Hirohito that the Empire of Japan was created and governed through diplomatic actions (taking into accounts the interests of other nations benevolently and justly).

Crown Prince On 2 November 1916, Hirohito was formally proclaimed crown prince and heir apparent. An investiture ceremony was not required to confirm this status.

Overseas travel

… excerpt ends here. Continue reading the full article.

Illustrations

Hirohito illustration
Hirohito: Hirohito as an infant in 1902
Hirohito as an infant in 1902
Hirohito: Emperor Taishō's four sons in 1921: Hirohito, Takahito, Nobuhito, and Yasuhito
Emperor Taishō's four sons in 1921: Hirohito, Takahito, Nobuhito, and Yasuhito
Hirohito: Prince Hirohito and British prime minister David Lloyd George, 1921
Prince Hirohito and British prime minister David Lloyd George, 1921
Hirohito: Hirohito watches a boat race at Oxford University in 1921
Hirohito watches a boat race at Oxford University in 1921

Worked examples

Example 1 — a first encounter with Hirohito

Start with the simplest possible case. Write down what Hirohito claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Hirohito before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Hirohito ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Hirohito

In research
Hirohito appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Hirohito in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Hirohito is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1901 births, 1989 deaths, 20th-century Japanese monarchs, so understanding it makes those chapters shorter.
In everyday life
Look for Hirohito outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Hirohito in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Hirohito means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Hirohito out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Hirohito in simple terms?

Emperor Shōwa (29 April 1901 – 7 January 1989), personal name Hirohito, was Emperor of Japan from 25 December 1926 until his death on 7 January 1989. He reigned during a period of increasing Japanese nationalism and militarism, culminating in the entry of the Empire of Japan into World War II as an…

Why does Hirohito matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Hirohito?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Hirohito.

Tags

  • 1901 births
  • 1989 deaths
  • 20th-century Japanese monarchs
  • 20th-century Japanese zoologists
  • 20th-century Shintoists
  • 20th-century regents
  • British field marshals
  • Children of Emperor Taishō
  • Collars of the Order of the White Lion
  • Deaths from cancer in Japan
  • Deaths from small intestine cancer
  • Emperors of Japan

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