Oops, it doesn't look like 'security adviser john bolton on his first day' is a national day..

Other days

prosecco

Prosecco Day
chocolate milkshake

Chocolate Milkshake Day
donate your hair

Donate Your Hair Day
gum

Gum Day
girl friend

Girl Friend Day
me

Me Day
singles

Singles Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
kale

Kale Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day