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

Other days

pumpkin

Pumpkin Day
youth

Youth Day
latina equal pay

Latina Equal Pay Day
hot chocolate

Hot Chocolate Day
bounce

Bounce Day
believe

Believe Day
prosecco

Prosecco Day
cursing

Cursing Day
bow tie

Bow Tie Day
ruby

Ruby Day