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

Other days

bow tie

Bow Tie Day
azonto is acceptable

Azonto Is Acceptable Day
bounce

Bounce Day
pumpkin

Pumpkin Day
singles

Singles Day
boba

Boba Day
artists

Artists Day
tulip

Tulip Day
ormille

Ormille Day
kiss a ginger

Kiss A Ginger Day