Yellow Pig Day is celebrated on July 17, 2021. It have been held by mathematicians since at least the 1960s. Most celebrations occur on July 17, although others are held on May 17 and September 17 . The Yellow Pig is believed to have originated with mathematicians Michael Spivak and David C.
We have placed a detailed description of this event on this page: Yellow Pig Day 2020. For further information please stop by there!