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

Other days

stress awareness

Stress Awareness Day
polyamory

Polyamory Day
lumpy rug

Lumpy Rug Day
self appreciation

Self Appreciation Day
offer

Offer Day
one

One Day
unicorn

Unicorn Day
pick me

Pick Me Day
ormille

Ormille Day
bow tie

Bow Tie Day