Oops, it doesn't look like 'bring your lunchbox to work day' is a national day..

Other days

carpenters

Carpenters Day
polyamory

Polyamory Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
chocolate milkshake

Chocolate Milkshake Day
cursing

Cursing Day
first love

First Love Day
self appreciation

Self Appreciation Day
tulip

Tulip Day
tell a fairytale

Tell A Fairytale Day
ride the wind

Ride The Wind Day