1.2 Million people have joined a Facebook event pledging to storm Area 51 on September 20th in a quest to "see them aliens".
The event is called "Storm Area 51 - They Can't Stop All of Us".
https://www.facebook.com/events/448435052621047/
What could go wrong?
Russian bots?
Oh, just programs that are designed to sign up to stuff automatically. They figure those numbers are not from real humans signing up.