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

Other days

hannah

Hannah Day
boy friend

Boy Friend Day
carpenters

Carpenters Day
lisp

Lisp Day
lumpy rug

Lumpy Rug Day
hiv awareness

Hiv Awareness Day
latina equal pay

Latina Equal Pay Day
bonang

Bonang Day
book

Book Day
boba

Boba Day