There's Christmas and Easter.https://twitter.com/ConfessionsExMu/status/906619996440190976 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Maybe not the same but both are religious privileges granted by the government.
We also have Chinese New Year. And Diwali. And countless other ethnic/religious holidays. That's a completely different issue.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.