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

Other days

blanket fort

Blanket Fort Day
ride the wind

Ride The Wind Day
prosecco

Prosecco Day
ruby

Ruby Day
coffee

Coffee Day
self care

Self Care Day
lumpy rug

Lumpy Rug Day
fiancee

Fiancee Day
comfy

Comfy Day
bow tie

Bow Tie Day