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

Other days

bow tie

Bow Tie Day
artists

Artists Day
kiss a ginger

Kiss A Ginger Day
boyfriend

Boyfriend Day
hoodie

Hoodie Day
cursing

Cursing Day
my little pony

My Little Pony Day
aloxolt

Aloxolt Day
prosecco

Prosecco Day
boy friend

Boy Friend Day