Oops, it doesn't look like 'theatre but you can do it another day' is a national day..

Other days

first love

First Love Day

Emoji Day

cursing

Cursing Day

offer

Offer Day

blanket fort

Blanket Fort Day

self appreciation

Self Appreciation Day

youth

Youth Day

bounce

Bounce Day

kiss a ginger

Kiss A Ginger Day

ask out your crush

Ask Out Your Crush Day