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

Other days

buddy

Buddy Day
lash

Lash Day
book

Book Day
slime

Slime Day
eat what you want

Eat What You Want Day
bow tie

Bow Tie Day
latina equal pay

Latina Equal Pay Day
one

One Day
fiancee

Fiancee Day
boyfriend

Boyfriend Day