Oops, it doesn't look like 'water bottle refill day' is a national day..

Other days

pick me

Pick Me Day
me

Me Day
emoji

Emoji Day
self appreciation

Self Appreciation Day
mean girls

Mean Girls Day
polyamory

Polyamory Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
my little pony

My Little Pony Day
cuddle up

Cuddle Up Day
self care

Self Care Day