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

Other days

bonang

Bonang Day
cat girl

Cat Girl Day
book

Book Day
youth

Youth Day
pampering

Pampering Day
donate your hair

Donate Your Hair Day
self care

Self Care Day
kiss a brunette

Kiss A Brunette Day
comfy

Comfy Day
cuddle up

Cuddle Up Day