Oops, it doesn't look like 'be sus as fuck to me day' is a national day..

Other days

china

China Day

polyamory

Polyamory Day

mean girls

Mean Girls Day

law

Law Day

self appreciation

Self Appreciation Day

self care

Self Care Day

singles

Singles Day

stress awareness

Stress Awareness Day

Emoji Day

eat what you want

Eat What You Want Day