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

Other days

brow

Brow Day
blanket fort

Blanket Fort Day
boba

Boba Day
artists

Artists Day
ride the wind

Ride The Wind Day
bubble bath

Bubble Bath Day
gallery

Gallery Day
slime

Slime Day
coffee

Coffee Day
self appreciation

Self Appreciation Day