Oops, it doesn't look like 'tell me you love me day' is a national day..

Other days

artists

Artists Day
kiss a ginger

Kiss A Ginger Day
law

Law Day
hoodie

Hoodie Day
pick me

Pick Me Day
bow tie

Bow Tie Day
tulip

Tulip Day
self care

Self Care Day
ponytail

Ponytail Day
youth

Youth Day