Oops, it doesn't look like 'cup draws on day' is a national day..

Other days

boba

Boba Day
fiancee

Fiancee Day
martini

Martini Day
china

China Day
self care

Self Care Day
bow tie

Bow Tie Day
carpenters

Carpenters Day
book

Book Day
ask out your crush

Ask Out Your Crush Day
frozen yogurt

Frozen Yogurt Day