Oops, it doesn't look like 'flag was first raised on independence day' is a national day..

Other days

self care

Self Care Day
nae nae

Nae Nae Day
lumpy rug

Lumpy Rug Day
stud

Stud Day
me

Me Day
ask out your crush

Ask Out Your Crush Day
cuddle up

Cuddle Up Day
mean girls

Mean Girls Day
bow tie

Bow Tie Day
pick me

Pick Me Day