Oops, it doesn't look like 'platform such as that of independence day' is a national day..

Other days

hoodie

Hoodie Day
stud

Stud Day
chocolate milkshake

Chocolate Milkshake Day
special education

Special Education Day
prescription drug take back

Prescription Drug Take Back Day
tulip

Tulip Day
self appreciation

Self Appreciation Day
slime

Slime Day
nae nae

Nae Nae Day
self care

Self Care Day