Portal:World War II/Featured article/5

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The ensign of the Imperial Japanese Navy and Japan Maritime Self-Defense Force.

The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes. It was the third largest navy in the world by 1920 behind the United States Navy and Royal Navy. It was supported by the Imperial Japanese Navy Air Service for aircraft and airstrike operation from the fleet. It was a major force in the Pacific War.The origins of the Imperial Japanese Navy trace back to early interactions with nations on the Asian continent, beginning in the early medieval period and reaching a peak of activity during the 16th and 17th centuries at a time of cultural exchange with European powers during the Age of Discovery. After two centuries of stagnation during the country's ensuing seclusion policy under the shoguns of the Edo period, Japan's navy was comparatively backward when the country was forced open to trade by American intervention in 1854.