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

Other days

singles

Singles Day
tell a fairytale

Tell A Fairytale Day
bow tie

Bow Tie Day
slime

Slime Day
frozen yogurt

Frozen Yogurt Day
bubble bath

Bubble Bath Day
cuddle up

Cuddle Up Day
brow

Brow Day
china

China Day
youth

Youth Day