Image oldest discovery:

Cannon-fire scores a hit

Oct. 23, 2013

https://insureblog.blogspot.ca/2013/10/cannon-fire-scores-hit.html

https://twitter.com/mfcannon

Image random discovery:

The Big Guns Are Firing on Trump Now

Oct. 20, 2017

https://www.eatprayvote.org/2017/10/20/the-big-guns-are-firing-on-trump-now/