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

Other days

chocolate milkshake

Chocolate Milkshake Day
gum

Gum Day
brow

Brow Day
latina equal pay

Latina Equal Pay Day
first love

First Love Day
bow tie

Bow Tie Day
pumpkin

Pumpkin Day
cursing

Cursing Day
lumpy rug

Lumpy Rug Day
youth

Youth Day