presedents day refers to George Washington's birthday.
inauguration day
Technically, some people say that there has only been 43 presidents, but it is generally excepted that there has been 44 presidents.
Messrs presidents
No, it is not correct to say "one an." The correct phrase is "one and a half day" to refer to one full day and half of another day.
There is an apostrophe because it is more than one president we are celebrating for. edit: Nope... not it. More than one president does not necessitate an apostrophe. Would you say "the dog's ran by?" Maybe you would. It is the day of the presidents. The presidents possess the day, like Bill's sock, or Frank's car. But when you think about it, it should be Presidents' Day, since there is more than one president involved... vs. President's Day, which implies one president... hmmmm... mind boggling.
The happy day
Impossible to say, as the question doesn't specify who "those people" are supposed to be.
theres red and black licorice when people refer to the black kind they just say licorice because black is the original kind. when people refer to red licorice they say flat out red licorice.
They refer to themselves as CayMANians. Most places say CAYman, but locally they say CayMAN.
It is that bump in peoples throats that moves when vibrations run by it.
the "athen" live in greece -when they say "who" they refer to a group of people.
People used to say "yesterday" as "yester-day" in the past.