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

Other days

singles

Singles Day
reading

Reading Day
one

One Day
buddy

Buddy Day
bonang

Bonang Day
artists

Artists Day
latina equal pay

Latina Equal Pay Day
chocolate milkshake

Chocolate Milkshake Day
cuddle up

Cuddle Up Day
lash

Lash Day