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

Other days

brow

Brow Day
prosecco

Prosecco Day
first love

First Love Day
ruby

Ruby Day
boy friend

Boy Friend Day
get funky

Get Funky Day
slime

Slime Day
martini

Martini Day
eat what you want

Eat What You Want Day
aloxolt

Aloxolt Day