Some legends have it that the croissant was developed in Budapest or Vienna to celebrate the defeat of the Ottoman Turks (Muslims) from invading.
According to one of a group of similar legends, which vary only in detail, a baker of the 17th century, working through the night at a time when his city (either Vienna in 1683 or Budapest in 1686) was under siege by the Turks, heard faint underground rumbling sounds which, on investigation, proved to be caused by a Turkish attempt to invade the city by tunnelling under the walls. The tunnel was blown up. The baker asked no reward other than the exclusive right to bake crescent-shaped pastries commemorating the incident, the crescent being the symbol of Islam. He was duly rewarded in this way, and the croissant was born. The story seems to owe its origin, or at least its wide diffusion, to Alfred Gottschalk, who wrote about the croissant for the first edition  of the Larousse Gastronomique and there gave the legend in the Turkish attack on Budapest in 1686 version; but on the history of food, opted for the ‘siege of Vienna in 1683’ version.