Monday Morning Mythbuster T-Shirts

Our Mythbuster t-shirts are a fun way for creative thinkers to wear their curiosity on their sleeve and start Mondays with a bit of wit and wisdom.

Sadie, I just heard something disturbing, and I think you're the only one who can tell me whether it's true. Youtube is telling me we've lived 300 years of phantom time. Pope Gregory XIII's math was off when he created our calendar, and this is actually the year 1717. What's more, the "Middle Ages" is just a fiction the pope created to explain his rounding error. You were there, Sadie ... Did King Arthur really exist? I'll tell you all about that nice boy, as soon as I demonstrate how we dealt w
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Sadie, I just heard something disturbing, and I think you're the only one who can tell me whether it's true. Youtube is telling me we've lived 300 years of phantom time. Pope Gregory XIII's math was off when he created our calendar, and this is actually the year 1717. What's more, the "Middle Ages" is just a fiction the pope created to explain his rounding error. You were there, Sadie ... Did King Arthur really exist? I'll tell you all about that nice boy, as soon as I demonstrate how we dealt w

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Monday Morning Mythbuster T-Shirts Collection

Monday Morning Mythbuster Mugs

Explore our Mythbuster mugs for a daily dose of humor and inspiration to start your Mondays on the right foot.

Monday Morning Mythbuster Pillows

Check out our myth-busting pillows to add a witty touch to your home and inspire creativity each morning.

Monday Morning Mythbuster Prints

Browse our myth-buster prints to inspire inventive thinking and energize your space with clever, creative artwork.