The Two Octobers was created in 1927.
Opal
It depends on what context if it is October's which is possessive as if October is owning something. if it is like "Many Octobers" then you would not need an apostrophe.
Tuesday
it depends what year it is.
15 Octobers 2013
Foiled/ Foiled for the last time.
11 minutes
Hannah is Kasey's real name and Arielle is Octobers.
octobers birthstone is the opal. it can be many colors but the most common color is white.
I'm not completely sure but i think it's Octobers Very Own.
there's a Octobers gem code its of course from October it's E183-2714-B07C-08CF