Anybody got good examples of people working on pre-1850 history where they've developed a narrative/impacts from their research around influencing social policy, government, policing, regional growth, etc. other contemporary challenges?

Ask b/c I'm trying to engage with this discourse that seems increasingly prominent in universities on why/how research matters and I've always felt - even with a lot of thought - that working before 1850 (even 1945) makes doing work with this kind of impact more difficult?

And please don't send me links to History and Policy. I'm aware of that, but I want more examples and a broader sense of what is possible. I'm not saying I like this sort of discourse, but I also feel like engaging with it might become a necessity and I'd like to be more prepared

And if engaging with it a bit more makes me feel more secure and less anxious about my research then, to be honest, I'm willing to change to make that happen.