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

Other days

pumpkin

Pumpkin Day
offer

Offer Day
believe

Believe Day
coffee

Coffee Day
carpenters

Carpenters Day
slime

Slime Day
brow

Brow Day
girl friend

Girl Friend Day
special education

Special Education Day
ponytail

Ponytail Day