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

Other days

believe

Believe Day
lumpy rug

Lumpy Rug Day
blanket fort

Blanket Fort Day
brow

Brow Day
boy friend

Boy Friend Day
self appreciation

Self Appreciation Day
gum

Gum Day
self care

Self Care Day
bow tie

Bow Tie Day
fiancee

Fiancee Day