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

Other days

prosecco

Prosecco Day
bounce

Bounce Day
chocolate milkshake

Chocolate Milkshake Day
pumpkin

Pumpkin Day
self care

Self Care Day
law

Law Day
artists

Artists Day
pick me

Pick Me Day
bow tie

Bow Tie Day
china

China Day