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

Other days

book

Book Day
polyamory

Polyamory Day
cuddle up

Cuddle Up Day
stress awareness

Stress Awareness Day
law

Law Day
aloxolt

Aloxolt Day
hiv awareness

Hiv Awareness Day
buddy

Buddy Day
slime

Slime Day
boyfriend

Boyfriend Day