Brain Holidays

There are 6 brain holidays tracked on Calendar.cx, including National Puzzle Day January 29, World Brain Tumor Day June 8, International Sudoku Day September 9 and more. Browse the full list below — each with its date, category and related tags.

Date	Holiday	Category	Tags
January 29
	National Puzzle Day January 29	Fun	Fun Activity Games Brain Puzzle
June 8
	World Brain Tumor Day June 8	Health	Awareness Health World Brain
September 9
	International Sudoku Day September 9	Fun	Games Brain Puzzle
October 10
	Dyslexia Day October 10	Cause	Awareness Support Health Language Community Inclusion Education Brain Children Literacy Reading adults neurodiversity disability awareness learning differences cause special education dyslexia advocacy October 10
October 13
	National Train Your Brain Day October 13	Fun	Activities Brain Mental
December 21
	Crossword Puzzle Day December 21	Fun	Activity Games Brain Puzzle

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