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

Other days

artists

Artists Day
tulip

Tulip Day
boy friend

Boy Friend Day
kale

Kale Day
cursing

Cursing Day
kiss a brunette

Kiss A Brunette Day
youth

Youth Day
ponytail

Ponytail Day
ride the wind

Ride The Wind Day
gum

Gum Day