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

Other days

gum

Gum Day
cursing

Cursing Day
my little pony

My Little Pony Day
slime

Slime Day
frozen yogurt

Frozen Yogurt Day
buddy

Buddy Day
kiss a brunette

Kiss A Brunette Day
lumpy rug

Lumpy Rug Day
bonang

Bonang Day
boyfriend

Boyfriend Day