Japan Historian

The climate of Japan is predominantly temperate, but varies greatly from north to south. Japan’s geographical features divide it into six principal climatic zones:

    * Hokkaidō: The northernmost zone has a temperate climate with long, cold winters and cool summers. Precipitation is not heavy, but the islands usually develop deep snow banks in the winter.

    * Sea of Japan: On Honshū’s west coast, the northwest wind in the wintertime brings heavy snowfall. In the summer, the region is cooler than the Pacific area, though it sometimes experiences extremely hot temperatures, because of the foehn wind phenomenon.

    * Central Highland: A typical inland climate, with large temperature differences between summer and winter, and between day and night. Precipitation is light.

    * Seto Inland Sea: The mountains of the Chūgoku and Shikoku regions shelter the region from the seasonal winds, bringing mild weather throughout the year.

    * Pacific Ocean: The east coast experiences cold winters with little snowfall and hot, humid summers because of the southeast seasonal wind.

    * Ryukyu Islands: The Ryukyu Islands have a subtropical climate, with warm winters and hot summers. Precipitation is very heavy, especially during the rainy season. Typhoons are common.

The hottest temperature ever measured in Japan — 40.9 degrees Celsius — was recorded on August 16, 2007.

The main rainy season begins in early May in Okinawa, and the stationary rain front responsible for this gradually works its way north until it dissipates in northern Japan before reaching Hokkaidō in late July. In most of Honshū, the rainy season begins before the middle of June and lasts about six weeks. In late summer and early autumn, typhoons often bring heavy rain.

Japan is home to nine forest ecoregions which reflect the climate and geography of the islands. They range from subtropical moist broadleaf forests in the Ryūkyū and Bonin islands, to temperate broadleaf and mixed forests in the mild climate regions of the main islands, to temperate coniferous forests in the cold, winter portions of the northern islands.

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Japan is a country of over three thousand islands extending along the Pacific coast of Asia. The main islands, running from north to south, are Hokkaidō, Honshū (the main island), Shikoku and Kyūshū. The Ryukyu Islands, including Okinawa, are a chain of islands south of Kyushū. Together they are often known as the Japanese Archipelago.

About 70% to 80% of the country is forested, mountainous, and unsuitable for agricultural, industrial, or residential use. This is because of the generally steep elevations, climate and risk of landslides caused by earthquakes, soft ground and heavy rain. This has resulted in an extremely high population density in the habitable zones that are mainly located in coastal areas. Japan is one of the most densely populated countries in the world.

Its location on the Pacific Ring of Fire, at the juncture of three tectonic plates, gives Japan frequent low-intensity tremors and occasional volcanic activity. Destructive earthquakes, often resulting in tsunamis, occur several times each century. The most recent major quakes are the 2004 Chūetsu earthquake and the Great Hanshin Earthquake of 1995. Hot springs are numerous and have been developed as resorts.

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While there exist eight commonly defined regions of Japan, administratively Japan consists of forty-seven prefectures, each overseen by an elected governor, legislature and administrative bureaucracy. The former city of Tokyo is further divided into twenty-three special wards, each with the same powers as cities.

The nation is currently undergoing administrative reorganization by merging many of the cities, towns and villages with each other. This process will reduce the number of sub-prefecture administrative regions and is expected to cut administrative costs.

Japan has dozens of major cities, which play an important role in Japan’s culture, heritage and economy.

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Japan maintains close economic and military relations with its key ally the United States, with the U.S.-Japan security alliance serving as the cornerstone of its foreign policy. A member state of the United Nations since 1956, Japan has served as a non-permanent Security Council member for a total of 18 years, most recently in 2005–2006. It is also one of the G4 nations seeking permanent membership in the Security Council. As a member of the G8, the APEC, the "ASEAN Plus Three" and a participant in the East Asia Summit, Japan actively participates in international affairs. It is also the world’s third largest donor of official development assistance after the US and UK, donating US$8.86 billion in 2004. Japan contributed non-combatant troops to the Iraq War but subsequently withdrew its forces from Iraq.

Japan is engaged in several territorial disputes with its neighbors: with Russia over the South Kuril Islands, with South Korea over the Liancourt Rocks, with the People’s Republic of China and Taiwan over the Senkaku Islands, and with the PRC over the EEZ around Okinotorishima.

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Japan also faces an ongoing dispute with North Korea over its abduction of Japanese citizens and its nuclear weapons and missile program (see also Six-party talks). As a result of the Kuril Islands dispute, Japan is technically still at war with Russia since no treaty resolving the issue was ever signed.

Japan’s military is restricted by the Article 9 of the Japanese Constitution, which renounces Japan’s right to declare war or use military force as a means of settling international disputes. Japan’s military is governed by the Ministry of Defense, and primarily consists of the Japan Ground Self-Defense Force (JGSDF), the Japan Maritime Self-Defense Force (JMSDF) and the Japan Air Self-Defense Force (JASDF). The forces have been recently used in peacekeeping operations and the deployment of Japanese troops to Iraq marked the first overseas use of its military since World War II.

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Japan is a constitutional monarchy where the power of the Emperor is very limited. As a ceremonial figurehead, he is defined by the constitution as "the symbol of the state and of the unity of the people". Power is held chiefly by the Prime Minister of Japan and other elected members of the Diet, while sovereignty is vested in the Japanese people. The Emperor effectively acts as the head of state on diplomatic occasions. Akihito is the current Emperor of Japan. Naruhito, Crown Prince of Japan, stands as next in line to the throne.

Japan’s legislative organ is the National Diet, a bicameral parliament. The Diet consists of a House of Representatives, containing 480 seats, elected by popular vote every four years or when dissolved and a House of Councillors of 242 seats, whose popularly-elected members serve six-year terms. There is universal suffrage for adults over 20 years of age, with a secret ballot for all elective offices. The liberal conservative Liberal Democratic Party (LDP) has been in power since 1955, except for a short-lived coalition government formed from opposition parties in 1993. The largest opposition party is the social liberal Democratic Party of Japan.

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The Prime Minister of Japan is the head of government. The position is appointed by the Emperor of Japan after being designated by the Diet from among its members and must enjoy the confidence of the House of Representatives to remain in office. The Prime Minister is the head of the Cabinet (the literal translation of his Japanese title is "Prime Minister of the Cabinet") and appoints and dismisses the Ministers of State, a majority of whom must be Diet members. Yasuo Fukuda currently serves as the Prime Minister of Japan.

Historically influenced by Chinese law, the Japanese legal system developed independently during the Edo period through texts such as Kujikata Osadamegaki. However, since the late nineteenth century, the judicial system has been largely based on the civil law of Europe, notably France and Germany. For example, in 1896, the Japanese government established a civil code based on the German model. With post-World War II modifications, the code remains in effect in present-day Japan. Statutory law originates in Japan’s legislature, the National Diet of Japan, with the rubber stamp approval of the Emperor. The current constitution requires that the Emperor promulgates legislation passed by the Diet, without specifically giving him the power to oppose the passing of the legislation. Japan’s court system is divided into four basic tiers: the Supreme Court and three levels of lower courts. The main body of Japanese statutory law is a collection called the Six Codes.

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During the sixteenth century, traders and Jesuit missionaries from Portugal reached Japan for the first time, initiating active commercial and cultural exchange between Japan and the West (Nanban trade).

Oda Nobunaga conquered numerous other daimyo by using European technology and firearms and had almost unified the nation when he was assassinated in 1582. Toyotomi Hideyoshi succeeded Nobunaga and united the nation in 1590. Hideyoshi invaded Korea twice, but following several defeats by Korean and Ming China forces and Hideyoshi’s death, Japanese troops were withdrawn in 1598.

After Hideyoshi’s death, Tokugawa Ieyasu utilized his position as regent for Hideyoshi’s son Toyotomi Hideyori to gain political and military support. When open war broke out, he defeated rival clans in the Battle of Sekigahara in 1600. Ieyasu was appointed shōgun in 1603 and established the Tokugawa shogunate at Edo (modern Tokyo). The Tokugawa shogunate enacted a variety of measures such as Buke shohatto to control the autonomous daimyo. In 1639, the shogunate began the isolationist sakoku ("closed country") policy that spanned the two and a half centuries of tenuous political unity known as the Edo period. The study of Western sciences, known as rangaku, continued during this period through contacts with the Dutch enclave at Dejima in Nagasaki. The Edo period also gave rise to kokugaku, or literally "national studies", the study of Japan by the Japanese themselves.

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On March 31, 1854, Commodore Matthew Perry and the "Black Ships" of the United States Navy forced the opening of Japan to the outside world with the Convention of Kanagawa. Subsequent similar treaties with the Western countries in the Bakumatsu period brought Japan into economic and political crises. The abundance of the prerogative and the resignation of the shogunate led to the Boshin War and the establishment of a centralized state unified under the name of the Emperor (Meiji Restoration). Adopting Western political, judicial and military institutions, the Cabinet organized the Privy Council, introduced the Meiji Constitution, and assembled the Imperial Diet. The Meiji Restoration transformed the Empire of Japan into an industrialized world power that embarked on a number of military conflicts to expand the nation’s sphere of influence. After victories in the First Sino-Japanese War (1894–1895) and the Russo-Japanese War (1904–1905), Japan gained control of Taiwan, Korea, and the southern half of Sakhalin.

The early twentieth century saw a brief period of "Taisho democracy" overshadowed by the rise of expansionism and militarization. World War I enabled Japan, which joined the side of the victorious Allies, to expand its influence and territorial holdings. Japan continued its expansionist policy by occupying Manchuria in 1931. As a result of international condemnation for this occupation, Japan resigned from the League of Nations two years later. In 1936, Japan signed the Anti-Comintern Pact with Nazi Germany, joining the Axis powers in 1941.

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In 1937, Japan invaded other parts of China, precipitating the Second Sino-Japanese War (1937–1945), after which the United States placed an oil embargo on Japan. On December 7, 1941, Japan attacked the United States naval base in Pearl Harbor and declared war on the United States, the United Kingdom and the Netherlands. This act brought the United States into World War II. After the atomic bombings of Hiroshima and Nagasaki in 1945, along with the Soviet Union joining the war against it, Japan agreed to an unconditional surrender on August 15 (Victory over Japan Day). The war cost Japan millions of lives and left much of the country’s industry and infrastructure destroyed. The International Military Tribunal for the Far East, was convened by the Allies (on May 3, 1946) to prosecute Japanese leaders for war crimes such as the Nanking Massacre.

In 1947, Japan adopted a new pacifist constitution emphasizing liberal democratic practices. The Allied occupation ended by the Treaty of San Francisco in 1952 and Japan was granted membership in the United Nations in 1956. Japan later achieved spectacular growth to become the second largest economy in the world, with an annual growth rate averaging 10% for four decades. This ended in the mid-1990s when Japan suffered a major recession. Positive growth in the early twenty-first century has signaled a gradual recovery.