Oops, it doesn't look like 'assembly meetings in cuba last at least two day' is a national day..

Other days

ponytail

Ponytail Day

first love

First Love Day

tell ur crush you like them

Tell Ur Crush You Like Them Day

cursing

Cursing Day

bow tie

Bow Tie Day

one

One Day

gallery

Gallery Day

singles

Singles Day

tell a fairytale

Tell A Fairytale Day

my little pony

My Little Pony Day