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

Other days

ask out your crush

Ask Out Your Crush Day
first love

First Love Day
donate your hair

Donate Your Hair Day
chocolate milkshake

Chocolate Milkshake Day
boba

Boba Day
promposal

Promposal Day
me

Me Day
self care

Self Care Day
prescription drug take back

Prescription Drug Take Back Day
self appreciation

Self Appreciation Day