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

Other days

ask out your crush

Ask Out Your Crush Day
aloxolt

Aloxolt Day
nail polish

Nail Polish Day
girl friend

Girl Friend Day
cuddle up

Cuddle Up Day
ponytail

Ponytail Day
bubble bath

Bubble Bath Day
china

China Day
youth

Youth Day
ruby

Ruby Day