The 4th century was the century that lasted from January 1, 301 to December 31, 400 in the Gregorian calendar.

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Why are the German and French languages so different?

My understanding (which could be wrong) is the following: During and before the period of the fall of western Rome (roughly 400 AD), the Franks and the Alemanni were tribal people who moved around a ...
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Roman navy propelled by animals instead of human rowers?

I have read one brief account of military planning around the time of Roman emperor Constantine the Great (272 – 337) whereby the Roman navy's rowers could have been substituted by animals (source ...
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When did Japan and the Three Kingdoms of Korea first meet?

Wikipedia claims that Japan and the Three Kingdoms of Korea started having close relationships at the end of the 4th century, during the Kofun period. However the article doesn't provide any sources ...
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Why was Goguryeo able to expand rapidly under Gwanggaeto's rule?

While watching a Korean drama called Gwanggaeto, the Great Conqueror and seeing how the king is praised by Koreans, I am curious to know what historical factors led to Kokuryŏ being able to conquer ...