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

Other days

first love

First Love Day
slime

Slime Day
law

Law Day
pumpkin

Pumpkin Day
bow tie

Bow Tie Day
boy friend

Boy Friend Day
azonto is acceptable

Azonto Is Acceptable Day
aloxolt

Aloxolt Day
polyamory

Polyamory Day
martini

Martini Day