In this article, "Guns, Guns and More Guns (Part 2), posted Oct. 2, 2017, I referenced the shooting that had just taken place in Las Vegas:

https://thelatest.com/tlt/5640

In THAT article, I link back to another, similar, article, written in 2015.

Rather than try and say all the same things in some brand new way, I'll just keep recycling these old articles till something gives.  We're now up to Part 3. 

Had I been writing about all the big shootings, maybe we'd be up to Part 5 or 6. 

But you get the drift.