Oops, it doesn't look like 'blood donor week and you can help by taking just an hour from your day' is a national day..

Other days

Me Day

Pumpkin Day

Reading Day

Tell Ur Crush You Like Them Day

Prescription Drug Take Back Day

Hiv Awareness Day

Offer Day

Prosecco Day

Cuddle Up Day

Appreciate Yaself A Lil Extra Day