Many centuries ago.
Recently? Not so much.
Just extensive practice with explosives.
I think there is debate about their discoveries from centuries ago too.
Benedict XVI’s Regensburg address contains a quote that is really funny on the subject if you know the history, though I think it didn’t make it into the current official translations-—
Islam Contributed Nothing to CUlture-
Why this is funny is that one of their biggest claims to fame is the zero, but, appropriately enough, even that was stolen, and from all places in terms of appropriateness, India—home of Hinduism.
Here is the text of the address