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

Other days

polyamory

Polyamory Day
artists

Artists Day
bonang

Bonang Day
my little pony

My Little Pony Day
bubble bath

Bubble Bath Day
believe

Believe Day
brow

Brow Day
stud

Stud Day
hiv awareness

Hiv Awareness Day
ruby

Ruby Day