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

Other days

ask out your crush

Ask Out Your Crush Day
coffee

Coffee Day
camera

Camera Day
self care

Self Care Day
comfy

Comfy Day
nae nae

Nae Nae Day
youth

Youth Day
book

Book Day
gum

Gum Day
slime

Slime Day