Oops, it doesn't look like 'security briefings at his day' is a national day..

Other days

chocolate milkshake

Chocolate Milkshake Day
hiv awareness

Hiv Awareness Day
nae nae

Nae Nae Day
offer

Offer Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
ride the wind

Ride The Wind Day
coffee

Coffee Day
get funky

Get Funky Day
artists

Artists Day
tell ur crush you like them

Tell Ur Crush You Like Them Day