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

Other days

lash

Lash Day
hannah

Hannah Day
first love

First Love Day
blanket fort

Blanket Fort Day
youth

Youth Day
bonang

Bonang Day
unicorn

Unicorn Day
my little pony

My Little Pony Day
ruby

Ruby Day
slime

Slime Day