Oops, it doesn't look like 'jihadi jackoff day' is a national day..

Other days

china

China Day
pick me

Pick Me Day
coffee

Coffee Day
first love

First Love Day
kiss a ginger

Kiss A Ginger Day
chocolate milkshake

Chocolate Milkshake Day
stud

Stud Day
offer

Offer Day
law

Law Day
brow

Brow Day