Oops, it doesn't look like 'leader in one day' is a national day..

Other days

self care

Self Care Day
lumpy rug

Lumpy Rug Day
gum

Gum Day
coffee

Coffee Day
bonang

Bonang Day
boba

Boba Day
ormille

Ormille Day
tell a fairytale

Tell A Fairytale Day
boy friend

Boy Friend Day
believe

Believe Day