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National Day in October, October 23 National Day

National Mole Day

National Mole Day:

Commemorating the Avogadro’s number, the National Mole Day is annually celebrated on the 23rd of October every year.

Year Date Day Where
2023 23rd October Monday United States
2023 23rd October Wednesday United States
2025 23rd October Thursday United States

Twitter Hashtags:

#NationalMoleDay

#MoleDay

Related: Other National Days Celebrated on October 23rd:

National Swallows Depart From San Juan Capistrano Day

National TV Talkshow Host Day

National Boston Cream Pie Day

National iPod Day

Why National Mole Day?

Before we tell you why we celebrate mole day, let us clarify that this is not about the creature moles but is rather related to science. Celebrated by the chemistry students and those who love chemistry in honor of the Avogadro’s number, 6.02×1023the National Mole Day is observed on 23rd of October between 6.02 am and 6.02 pm.  The date falls in the National Chemistry week which only adds up to the reason for commemoration.

Mole is the basic measurement unit in Chemistry which is basically the mass of one molecule of any compound or an element. And Avogadro’s number defines the number of atoms in one mole. The celebration of Mole Day was started to spark an interest in the subject of Chemistry and to honor the invention of the Avogadro number which is an important milestone.

How can we observe Mole Day?

The day is celebrated across schools and universities in countries like Canada, Australia, South Africa, and the United States. During the celebration of this day, there are many activities conducted by the institution to increase the interest in chemistry for their students.

On this National Mole Day, let us know more about NMDF and what they offer. The NMDF which is facilitated by both former and current teachers of the subject is a non-profit organization and works towards creating an interest in chemistry.

The NMDF organizes events that invite ideas from members, like students or teachers, or other chemistry enthusiasts. These ideas are then collated to form a newsletter which is then published and circulated among the members of this foundation.

  1. Supporting the chemistry teachers worldwide financially to help with the overall development of their skills.
  2. Showcase works of chemistry students and chemistry teachers in an acknowledged forum.
  3. Offering resources for the teachers to ensure a better presentation of the subject in the classrooms.
  4. A theme is selected every year for Mole Day with artwork, songs, etc. from the many submissions.

On the National Mole Day,

  1. You can create an interest in chemistry among your peers, and fellow students using activities and experiments related to Chemistry.
  2. You can learn more about molecular science on this day.
  3. There are hardcore chemistry fans who have their breakfast exactly at 6.02 am and dinner at 6.02 pm to mark the day.
  4. You can even make a cake that represents the molecular model or the periodic table in chemistry.
  5. You can also take the assistance of the National Mole Day Foundation which works towards building awareness on chemistry among students.

Use #NationalMoleDay to let everyone know how you plan to celebrate the National Mole Day this year.

Interesting facts about National Mole Day:

On the Mole Day, let us know more about the timeline from the establishment of the mole as the unit for measurement and other important events related to this day.

  1. It was in 1811 when Avogadro made the first hypothesis that equal volumes of nitrogen and hydrogen maintained under the same pressure and temperature will have the same molecular count.
  2. The credit for this discovery was awarded to Avogadro only after his death, unfortunately.
  3. In the year 1985, Margaret Christoph, a science teacher from Delaware mentions about celebrating a day for chemistry with her students in the month of October. She cites this as a day filled with chemistry-related activities every year.
  4. The celebration was mentioned in an article in “The Science Teacher”.
  5. Inspired by this article, the National Mole Day was started in the year 1991 by another high school teacher of Chemistry, Maurice Oehler.
  6. The National Chemistry Week sponsored by the American Chemical Society also falls in the month of October which has the Mole Day in the week making it an important event for the Chemistry week itself.
  7. In the year 2017, an ode to the franchise of the Avengers Superheroes was created under the name “molEvengers”

History of National Mole Day:

Celebrating the basic unit of measurement in chemistry, the day started from an article published in the 1980s, in a magazine by the name “The Science Teacher”. There is no specific mention of who started the celebration of this day or how it came into existence though. It seems like though it started as a celebration by a chemistry teacher in a high school. Maurice Oehler, a chemistry teacher from a Wisconsin high school, started the NMDF (National Mole Day Foundation) in 1991 drawing inspiration from this celebration. The day has since been celebrated by all chemistry enthusiasts across the world. Today the National Mole Day is observed across many countries including Australia, United States, Canada, and South Africa.

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