Oops, it doesn't look like 'block her if she got a man day' is a national day..

Other days

artists

Artists Day
hoodie

Hoodie Day
pick me

Pick Me Day
stud

Stud Day
bow tie

Bow Tie Day
tulip

Tulip Day
first love

First Love Day
unicorn

Unicorn Day
cat girl

Cat Girl Day
cursing

Cursing Day