Oops, it doesn't look like 'championship over a nice dinner and date any day' is a national day..

Other days

youth

Youth Day

boba

Boba Day

chocolate milkshake

Chocolate Milkshake Day

donate your hair

Donate Your Hair Day

Emoji Day

pick me

Pick Me Day

self care

Self Care Day

bow tie

Bow Tie Day

ride the wind

Ride The Wind Day

nail polish

Nail Polish Day