International Sudoku Day

Frequency:
Every
Sep 9
Inception Year:
2013
Hashtags:
References:
worldpuzzle.org/news/news-38/
facebook.com/GMPuzzles/posts/416327321810032
twitter.com/JlkRealtors/status/1435806602364276749

International Sudoku Day happens each year on the 9th of the month of September.

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