Today is the 100th anniversary of the Tunguska Event, the day something (probably extra-terrestrial) exploded in the air above a remote region of central Russia and flattened everything for miles around.
It's an event that has fascinated everyone from conspiracy theorists to serious astronomers, and we still don't know a heck of a lot about what really happened.
The story got a resurgence in the 90s when it became part of the alien mythology in The X-Files, but apart from that it's remained in the realms of Weird Moments In History.
So the question arises: could it happen again? Well, yes it could.
Not knowing what it was though, it's a little hard to tell how frequently this sort of thing might go on.
Hopefully it's only a one-in-one-thousand year type of event.
Yeah, it probably is.