Everything You Think Is Wrong Day

Celebrated on 03/15/2026

Quick Fact

Everything You Think Is Wrong Day, celebrated on March 15, encourages people to challenge their own assumptions and embrace uncertainty. The holiday was created by Thomas and Ruth Roy of Wellcat Holidays in the 1990s as a playful reminder that our perceptions are often flawed.

Origins and Establishment of Everything You Think Is Wrong Day

Everything You Think Is Wrong Day was established in the 1990s by Thomas and Ruth Roy, founders of Wellcat Holidays, a company known for creating quirky and humorous observances. The Roys invented the day as a lighthearted way to encourage people to question their beliefs and consider alternative perspectives. The date, March 15, was chosen arbitrarily to fit into the calendar of odd holidays.

Evolution and Modern Commemoration

Initially, the day was celebrated mainly through internet forums and email chains, where people shared stories of being wrong or challenged common misconceptions. Over time, it gained traction on social media platforms, with users posting about their most embarrassing wrong beliefs or engaging in debates about popular fallacies. Today, it is observed by skeptics, educators, and trivia enthusiasts who use the day to promote critical thinking and humility.

Facts & General Observations

• A 2019 survey found that 73% of people admitted to holding a belief that they later discovered was completely false.
• The day is often used by fact-checking websites to highlight common myths, such as "humans only use 10% of their brains" or "bats are blind."
• Despite its name, the holiday does not claim that everything everyone thinks is wrong, but rather serves as a reminder to be open to being mistaken.

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