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

Other days

bubble bath

Bubble Bath Day
latina equal pay

Latina Equal Pay Day
slime

Slime Day
bonang

Bonang Day
youth

Youth Day
gum

Gum Day
fiancee

Fiancee Day
blanket fort

Blanket Fort Day
hannah

Hannah Day
stud

Stud Day