Oops, it doesn't look like 'baeless day' is a national day..

Other days

frozen yogurt

Frozen Yogurt Day
buddy

Buddy Day
first love

First Love Day
cursing

Cursing Day
boy friend

Boy Friend Day
carpenters

Carpenters Day
ask out your crush

Ask Out Your Crush Day
offer

Offer Day
brow

Brow Day
pumpkin

Pumpkin Day