Oops, it doesn't look like 'poll numbers on same day' is a national day..

Other days

prosecco

Prosecco Day
stress awareness

Stress Awareness Day
my little pony

My Little Pony Day
camera

Camera Day
boyfriend

Boyfriend Day
self appreciation

Self Appreciation Day
ask out your crush

Ask Out Your Crush Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
unicorn

Unicorn Day
carpenters

Carpenters Day