What's the Biggest Heat Wave in the History of the World?

This heat wave has just utterly destroyed every single record that heat wave set. By the end of this it will have killed like, tens of thousands of people. There's a lot of very interesting stuff that we learned from this heat wave about what heat wavs do. I mean, ok, so the obvious one is that this has a massive effect on agriculture. That means you have to keep working tr in the shit, and that's just going to keep killing people.