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

Other days

tell a fairytale

Tell A Fairytale Day
lash

Lash Day
hoodie

Hoodie Day
first love

First Love Day
lumpy rug

Lumpy Rug Day
singles

Singles Day
pumpkin

Pumpkin Day
boba

Boba Day
self care

Self Care Day
promposal

Promposal Day