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

Other days

healing

Healing Day
bounce

Bounce Day
bow tie

Bow Tie Day
bonang

Bonang Day
cuddle up

Cuddle Up Day
pick me

Pick Me Day
blanket fort

Blanket Fort Day
nae nae

Nae Nae Day
frozen yogurt

Frozen Yogurt Day
youth

Youth Day