Dewey Decimal System Day

About Dewey Decimal System Day

The Dewey Decimal Classification, colloquially the Dewey Decimal System, is a proprietary library classification system first published in the United States by Melvil Dewey in 1876.

It is observed on the birthday of Melvil Dewey, who was born on December 10th 1851.

16Oct

National Fossil Day

• Science
• USA

A celebration organized by the National Park Service to promote public awareness and stewardship of fossils.

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18Oct

National Exascale Day

• Science
• USA

Find out the history and background to National Exascale Day

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23Oct

National Mole Day

• Science
• USA

October 23, denoted 10/23 in the US, is recognized by some as Mole Day. It is an informal holiday in honor of the unit among chemists.

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8Nov

National STEM Day 🔬

• Science
• USA

National STEM Day celebrates science, technology, engineering, and medicine education within the United States.

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Human Rights Day 

• Human Rights
• International

Find out the dates, history and traditions of Human Rights Day 

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Nobel Prize Day

• Science
• USA

On 27 November 1895, Alfred Nobel signed his will, giving the largest share of his fortune to a series of prizes in Physics, Chemistry, Physiology or Medicine, Literature and Peace – the Nobel Prizes.

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