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Museum Day

Also known as

  • Smithsonian Museum Day


  • on April 30th (2005)

  • the last Saturday in September (2006 to 2016)

  • the fourth Saturday in September (since 2017)


Founded by



Museum Day, also known as Smithsonian Museum Day, is observed next on Saturday, September 28th, 2024. It was observed on April 30th in 2005. It was observed the last Saturday in September from 2006 until 2016. It has been observed the fourth Saturday in September since 2017.


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