Once Upon a Time is an American fantasy drama television series that premiered on October 23, 2011, on ABC. The show takes place in the fictional seaside town of Storybrooke, Maine, whose residents are characters from various fairy tales transported to the "real world" town and robbed of their original memories by a powerful curse.
Once Upon a Time premiered less than 100 years ago
I think its struggled with the large number and the less than. I'm not quite sure why as it nailed the one previously "Once Upon a Time premiered less than 10 years ago" so it should also be fine with this one.