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

Other days

hiv awareness

Hiv Awareness Day
unicorn

Unicorn Day
bow tie

Bow Tie Day
singles

Singles Day
comfy

Comfy Day
gallery

Gallery Day
coffee

Coffee Day
blanket fort

Blanket Fort Day
latina equal pay

Latina Equal Pay Day
slime

Slime Day