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

Other days

kale

Kale Day

prosecco

Prosecco Day

nae nae

Nae Nae Day

hoodie

Hoodie Day

camera

Camera Day

girl friend

Girl Friend Day

Emoji Day

offer

Offer Day

bow tie

Bow Tie Day

azonto is acceptable

Azonto Is Acceptable Day