So Steak tartar was started by the Tartars. They use to cut off a piece of beef or horse and stick it under their saddles and ride on it all day. After the ride they would chop it up and mix it with egg and other spices. The germans then adopted this method but didn't ride on it or use horse. They instead just chopped up beef and mixed it with egg and spices. I guess the French enjoyed it too and adopted it from the Germans. But the original was a tartar thing.