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

Other days

my little pony

My Little Pony Day
cuddle up

Cuddle Up Day
tulip

Tulip Day
ruby

Ruby Day
bounce

Bounce Day
self care

Self Care Day
nail polish

Nail Polish Day
slime

Slime Day
lost sock memorial

Lost Sock Memorial Day
bow tie

Bow Tie Day