Inventions, Discoveries, Introductions
- List of 9th-10th centuries inventions
- First image of a rotary grindstone in a European source—illustration shows crank, first known use of a crank in the West (Utrecht Psalter, 843)
- First known printed book, the Diamond Sutra, printed in China using woodblock printing in 868 AD.
- Invention of gunpowder by Chinese Taoist Alchemists.
- Vulgar Latin begins to develop into various Romance languages.
- Two syllabaries or kana are developed from simplified Chinese characters in Japan.
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