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

Other days

bow tie

Bow Tie Day
first love

First Love Day
my little pony

My Little Pony Day
bubble bath

Bubble Bath Day
lash

Lash Day
coffee

Coffee Day
camera

Camera Day
hiv awareness

Hiv Awareness Day
comfy

Comfy Day
boba

Boba Day