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

Other days

carpenters

Carpenters Day
hot chocolate

Hot Chocolate Day
gallery

Gallery Day
artists

Artists Day
aloxolt

Aloxolt Day
cuddle up

Cuddle Up Day
self care

Self Care Day
unicorn

Unicorn Day
bow tie

Bow Tie Day
gum

Gum Day