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

Other days

boba

Boba Day
china

China Day
self care

Self Care Day
tulip

Tulip Day
unicorn

Unicorn Day
girl friend

Girl Friend Day
comfy

Comfy Day
bow tie

Bow Tie Day
my little pony

My Little Pony Day
one

One Day