Collecting Calendars T-Shirts

Gift a t-shirt with witty calendar-inspired graphics or sayings, ideal for collectors who want to wear their passion proudly.

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

from $29.00

Collecting Calendars T-Shirts Collection

Collecting Calendars Mugs

Explore our selection of mugs featuring the best designs for calendar lovers—perfect for adding a bit of fun to their morning routine.

Collecting Calendars Pillows

Check out pillows adorned with charming calendar prints—great for adding personality to any living space.

Collecting Calendars Prints

Discover art prints inspired by vintage and humorous calendars—an excellent gift for dedicated collectors.