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Yellow Pig Day

Celebrate Yellow Pig Day with a smile - join in the fun by crafting cute yellow pig crafts, baking tasty treats, and sharing joy!
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When it is?
July 17
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United States
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It's time to celebrate Yellow Pig Day on July 17! This day is all about celebrating the unique and quirky yellow pig that first appeared in a math book in the 1960s. It started as a joke between two mathematicians, but it quickly gained popularity and has been celebrated yearly ever since. Yellow Pigs have become iconic symbols of mathematics and logic, with their simple yet powerful message of "all things are possible". So put on your best yellow outfit, grab your favorite pig-themed accessories, and get ready to have some fun on this special day!

History of Yellow Pig Day

Yellow Pig Day Dates

Yellow Pig Day Timeline

<div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>1961</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Inception of Yellow Pig</div><div class='timeline-text'>Mathematicians Michael Spivak and David Kelly own inside joke about a "Yellow Pig" with 17 eyelashes during a summer mathematics course becomes a popular, quirky mathematical symbol.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>1967</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>First Yellow Pig Day</div><div class='timeline-text'>Spivak and Kelly, along with their students, celebrate the first informal "Yellow Pig Day", combining their mathematical enthusiasm with adoration for the fictitious animal.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>1970s</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Popularity Among Mathematicians</div><div class='timeline-text'>The celebration starts to gain popularity among mathematicians across the U.S., particularly in college and university mathematics departments.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>1980s</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Recognition in Mathematical Textbooks</div><div class='timeline-text'>The concept of Yellow Pigs becomes more widely recognized in Spivak's comprehensive set of math textbooks titled "Calculus on Manifolds."</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>2000s</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Growing Popularity</div><div class='timeline-text'>Yellow Pig Day gains wider popularity reaching beyond academics, with celebrations featuring pig-themed activities, mathematical puzzles, yellow attire and fun.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>Present Day</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>International Celebration</div><div class='timeline-text'>Celebrated globally, Yellow Pig Day continues to promote the amalgamation of fun and mathematics, honoring the whimsical symbol that marked its birth.</div></div></div>

How to Celebrate Yellow Pig Day

<div id='' class='facts-item'><div id='' class='facts-header'><h3 id='' class='facts-number'>1</h3></div><div id='' class='facts-text-wrapper'><h3 id='' class='facts-title'>Make your own yellow pig</h3><p id='' class='facts-text'>Using construction paper, scissors, glue and markers you can make your own yellow pig!  Get creative and see what kind of pig you can make.</p></div></div><div id='' class='facts-item'><div id='' class='facts-header'><h3 id='' class='facts-number'>2</h3></div><div id='' class='facts-text-wrapper'><h3 id='' class='facts-title'>Solve puzzles</h3><p id='' class='facts-text'>Break out the math books and start solving puzzles.  A great way to celebrate Yellow Pig Day is to challenge yourself with some math puzzles.</p></div></div><div id='' class='facts-item'><div id='' class='facts-header'><h3 id='' class='facts-number'>3</h3></div><div id='' class='facts-text-wrapper'><h3 id='' class='facts-title'>Create a yellow pig art project</h3><p id='' class='facts-text'>Using the mathematical properties of the yellow pig, create an art project. You could draw a yellow pig using shapes, make a 3D model out of construction paper or create a painting or sculpture.</p></div></div><div id='' class='facts-item'><div id='' class='facts-header'><h3 id='' class='facts-number'>4</h3></div><div id='' class='facts-text-wrapper'><h3 id='' class='facts-title'>Read about the history of the yellow pig</h3><p id='' class='facts-text'>The yellow pig has been around for centuries, so why not learn about its history? Look up articles or books about the history of the yellow pig and learn why it's such an important symbol in mathematics.</p></div></div><div id='' class='facts-item'><div id='' class='facts-header'><h3 id='' class='facts-number'>5</h3></div><div id='' class='facts-text-wrapper'><h3 id='' class='facts-title'>Share your love of the yellow pig</h3><p id='' class='facts-text'>Spread the joy of Yellow Pig Day to family, friends, and colleagues. Talk about how much the yellow pig means to you and share your favorite facts about it.</p></div></div>

Why We Love Yellow Pig Day

<div id='' class='whywelove-item'><div id='' class='whywelove-letter-cont'><div class='whywelove-letter'>A</div></div><div id='why-we-love-main-cont'><h3 id='' class='whywelove-title'>It's a fun way to learn about math</h3><p id='' class='whywelove-text'>The famous yellow pig of the 17th century is a great and humorous way to help kids understand basic principles of mathematics. By teaching them the basics in an easy, lighthearted and entertaining way, children can find math more engaging and therefore become more involved and interested in it.</p></div></div><div id='' class='whywelove-item'><div id='' class='whywelove-letter-cont'><div class='whywelove-letter'>B</div></div><div id='why-we-love-main-cont'><h3 id='' class='whywelove-title'>It encourages creativity</h3><p id='' class='whywelove-text'>Yellow Pig Day is the perfect opportunity for kids to get creative with their math. They can create their own puzzles or games inspired by the Yellow Pig, or even make up stories that incorporate basic mathematical principles. This encourages out-of-the-box thinking and allows them to explore math from a different angle.</p></div></div><div id='' class='whywelove-item'><div id='' class='whywelove-letter-cont'><div class='whywelove-letter'>C</div></div><div id='why-we-love-main-cont'><h3 id='' class='whywelove-title'>It brings people together</h3><p id='' class='whywelove-text'>On Yellow Pig Day, parents, teachers, students, and everyone else who loves math come together to celebrate its wonders. It's a chance for people to bond over their shared interest in mathematics and have some fun discussing the various aspects of it - from arithmetic and geometry to calculus and probability!</p></div></div>

5 Unbelievable Facts for Yellow Pig Day

<div class='facts-item'><div class='facts-number-wrapper'><p class='facts-number'>1</p></div><div class='facts-core-content'><h3 class='facts-title'>Yellow Pigs are Often Portrayed with 17 Eyelashes</h3><p class='facts-content'>As per the creation by mathematicians Spivak and Kelly, Yellow Pigs are usually depicted with a total of 17 eyelashes, symbolizing the importance of the number 17 in mathematical theories.</p></div></div><div class='facts-item'><div class='facts-number-wrapper'><p class='facts-number'>2</p></div><div class='facts-core-content'><h3 class='facts-title'>The Yellow Pig Has Become an Emblem for Mathematics Education</h3><p class='facts-content'>Over time, the Yellow Pig has transformed from an inside joke into an emblem for mathematics as a field of study, particularly for engaging students in an unconventional and fun manner.</p></div></div><div class='facts-item'><div class='facts-number-wrapper'><p class='facts-number'>3</p></div><div class='facts-core-content'><h3 class='facts-title'>Yellow Pig Day Encourages Exploration of Number 17's Significance</h3><p class='facts-content'>The omnipresence of the number 17 during Yellow Pig Day festivities is intended to encourage students and teachers alike to explore the number's significance in mathematics, including its status as a prime number.</p></div></div><div class='facts-item'><div class='facts-number-wrapper'><p class='facts-number'>4</p></div><div class='facts-core-content'><h3 class='facts-title'>Yellow Pig Day Has Contributed to Multiple Scholarly Works</h3><p class='facts-content'>Renowned mathematician Michael Spivak has authored several comprehensive math textbooks where he gives credits to the Yellow Pig, thus solidifying its position in academic literature.</p></div></div><div class='facts-item'><div class='facts-number-wrapper'><p class='facts-number'>5</p></div><div class='facts-core-content'><h3 class='facts-title'>Mathematical Conferences Often Feature Yellow Pig-Themed Activities</h3><p class='facts-content'>Many serious mathematical lectures, conferences, and seminars have been known to feature lighter segments devoted to the Yellow Pig, reinforcing its role as a cultural icon fostering a love of mathematics.</p></div></div>

Yellow Pig Day FAQs

When is Yellow Pig Day?

Yellow Pig Day is celebrated on July 17th every year. In 2024 Yellow Pig Day will occur on a Wednesday.

Yellow Pig Day Dates



Jul 17



Jul 17



Jul 17



Jul 17



Jul 17


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