🛠️ Invention or technique

Korean metal movable type

Tipos móviles metálicos coreanos

Date
1234 · confidence high
Place
Kaesong / Cheongju, Korea (Goryeo)
Credited to
Kingdom of Goryeo (Sangjeong Gogeum Yemun, 1234; Jikji, 1377)
Field
Knowledge & symbols

⚠️ Disputed: the sources disagree.

What it is

Bronze type cast in sand moulds, used to print Buddhist and ritual texts; the Jikji (1377) is the oldest surviving book printed with metal type. It predates Gutenberg by 78 years.

There is no evidence of transmission to Europe, though some authors suggest it via Mongol trade routes.

What it led to

  • the Korean state type foundry (Joseon, 1403) and mass official printing
  • the hangul alphabet (1443), partly designed with printing in mind
  • the belated recognition of East Asia in the history of printing
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Sources✓ verified 2026-09-25