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

Other days

self appreciation

Self Appreciation Day
bubble bath

Bubble Bath Day
ruby

Ruby Day
chocolate milkshake

Chocolate Milkshake Day
tulip

Tulip Day
kiss a brunette

Kiss A Brunette Day
buddy

Buddy Day
latina equal pay

Latina Equal Pay Day
china

China Day
self care

Self Care Day