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

Other days

youth

Youth Day
polyamory

Polyamory Day
first love

First Love Day
bubble bath

Bubble Bath Day
reading

Reading Day
bounce

Bounce Day
cuddle up

Cuddle Up Day
pick me

Pick Me Day
self care

Self Care Day
frozen yogurt

Frozen Yogurt Day