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

Other days

martini

Martini Day
bubble bath

Bubble Bath Day
hoodie

Hoodie Day
cuddle up

Cuddle Up Day
ride the wind

Ride The Wind Day
coffee

Coffee Day
boy friend

Boy Friend Day
hannah

Hannah Day
youth

Youth Day
kiss a brunette

Kiss A Brunette Day