Oops, it doesn't look like 'kobe and gianna day' is a national day..

Other days

bounce

Bounce Day
bow tie

Bow Tie Day
singles

Singles Day
gallery

Gallery Day
lash

Lash Day
ask out your crush

Ask Out Your Crush Day
tulip

Tulip Day
offer

Offer Day
carpenters

Carpenters Day
artists

Artists Day