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

Other days

boba

Boba Day
nae nae

Nae Nae Day
ormille

Ormille Day
coffee

Coffee Day
eat what you want

Eat What You Want Day
china

China Day
gallery

Gallery Day
believe

Believe Day
boy friend

Boy Friend Day
youth

Youth Day