Older Than deck / Inventions and everyday things
Sudoku
First published
1979
Created in the USA as “Number Place”; the name sudoku came later in Japan.
Sources and checks
Checked 2026-10-19: Claude (AI build agent): Wikidata statement compared, passages containing the year extracted from the fetched pages and read. Quotes are short passages from each source, in their original language.
Wikidata P577: 1979Q44914, CC0, retrieved 2026-10-19
“umiddelbare forgænger, number place, er antageligvis udviklet af amerikaneren Howard Garns (1905-1989) og udgivet første gang i 1979. Sudoku og number place har forgængere i lignende former for logikopgaver fra”Lex (Den Store Danske) (in Danish): source, retrieved 2026-10-19
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