The oldest monastery in continuous use in Europe. Walter Miller, a navigator on that raid, wrote A Canticle for Leibowitz, the original "atom doom" s.f. novel, partly in penance for his role in the event.
I linked the wikipedia feature about "Monte Cassino" to a feature I did to explain what is necessary to defeat the various sectarian militias in Iraq. It aint pleasant ! But then thats war. You crush opposition.
http://www.theusmat.com/