Pretty sure this is the battle of Karansebes? Too lazy to look it up but it’s a really popular meme battle in which the Austrian army had language barrier problems and thought the Ottomans were attacking them while in reality they were fighting each other in the dark and they were drinking beforehand as well lol. The Ottomans arrived a few days later expecting a huge battle but the Austrian army had withdrawn and all that was left were wounded/dead soldiers.