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

Other days

boba

Boba Day
youth

Youth Day
first love

First Love Day
law

Law Day
bubble bath

Bubble Bath Day
cursing

Cursing Day
promposal

Promposal Day
hoodie

Hoodie Day
lumpy rug

Lumpy Rug Day
bow tie

Bow Tie Day