Calendar Keeping Mugs

Start their day with a humorous reminder to stay organized with our calendar keeping-themed mugs. Perfect for coffee and tea lovers who love a touch of wit.

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
View Product

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

from $19.00

Calendar Keeping Mugs Collection

Calendar Keeping Pillows

Add personality to their space with playful calendar keeping pillows—perfect for desks, couches, or beds.

Calendar Keeping Prints

Find inspiring calendar keeping prints that motivate and amuse—ideal for home or office decor.

Calendar Keeping T-Shirts

Explore our collection of calendar keeping t-shirts—fun and functional apparel for lovers of organization.