Everything has been claimed to herald the Second Coming of Christ.
For millennia extending back to earliest history (and undoubtedly extending even before that into prehistory, though nobody thought to write it down). Eg, "There will be wars and rumors of wars." -- so when
hasn't there been?
I even had a book, "History of the End of the World", which was filled with such examples, the vast majority of which had nothing to do with the Bible.