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

Other days

first love

First Love Day
gallery

Gallery Day
youth

Youth Day
nae nae

Nae Nae Day
bubble bath

Bubble Bath Day
chocolate milkshake

Chocolate Milkshake Day
artists

Artists Day
prosecco

Prosecco Day
boy friend

Boy Friend Day
reading

Reading Day