0990 – Bi Sheng – bio

Bi Sheng was born around 0990 in China and created a printing press made of porcelain that was the first to use movable type. At first, he used small wood blocks for each character, but then refined his technique by using clay that was fired to harden the characters into small thin porcelain pieces.

-3000 – type punches and cylinder seals (Mesopotamia)
-1700 – Phaistos disk (Minoan)
0220 – wood block printing (China)

1234 – Choe Yun-ui (Goryeo dynasty – Korea)
1439 – Gutenberg

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