Mostly I was thinking about environmental damage, honestly. There's plenty in the historical record about damages from nuclear testing.
https://en.wikipedia.org/wiki/Starfish_Prime
https://storymaps.arcgis.com/stories/3f62c90925f64fc09425be8...
Of course there is/was plenty of human damage as well.
https://www.msn.com/en-us/news/world/4-000-000-early-deaths-...