https://www.fda.gov/news-events/fda-newsroom/press-announcements
Nothing on the FDA press release website.
https://twitter.com/US_FDA/status/1429050070243192839
it's still up. no source for OP's claim so until the tweet is gone, I call bullshit.
yeah, so? if I post a picture of Elvis with a red arrow pointing towards him claiming that he's alive and a Martian, it would not make it true.
The publication OP refers to is an illustrated letter written by Columbus himself and it makes no mention of him being an Ottoman (muslim) or Cossack (christian) or Tatar (muslim). That claim makes no sense at all anyway because nobody could be those three at once.
On a flat Earth, what is the distance between Sydney and Santiago de Chile?