Oops, it doesn't look like 'Age Of Ultron Viewing day' is a national day..

Other days

ask out your crush

Ask Out Your Crush Day
girl friend

Girl Friend Day
hoodie

Hoodie Day
ruby

Ruby Day
my little pony

My Little Pony Day
embarrass your best friend

Embarrass Your Best Friend Day
eat what you want

Eat What You Want Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
kiss a ginger

Kiss A Ginger Day
carpenters

Carpenters Day