That's because March 20 would have been the 80th birthday of Fred Rogers. To honor the memory of the host and creator of 'Mr. Rogers' Neighborhood', March 20 is being touted as "Sweater Day" in his honor.
Family Communications Inc. of Pittsburgh, the company created by Mr. Rogers to produce his show, is already in the midst of a six-day celebration which will conclude with "Sweater Day".
I'm sure King Friday the XIII has issued a decree about it already.....