Oops, it doesn't look like 'fist a friend day' is a national day..

Other days

camera

Camera Day
reading

Reading Day
gum

Gum Day
blanket fort

Blanket Fort Day
ruby

Ruby Day
china

China Day
bonang

Bonang Day
chocolate milkshake

Chocolate Milkshake Day
kiss a ginger

Kiss A Ginger Day
prosecco

Prosecco Day