Oops, it doesn't look like 'grilled cheese poutine day' is a national day..

Other days

ruby

Ruby Day
unicorn

Unicorn Day
stress awareness

Stress Awareness Day
book

Book Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
first love

First Love Day
chocolate milkshake

Chocolate Milkshake Day
bounce

Bounce Day
tell a fairytale

Tell A Fairytale Day
pick me

Pick Me Day