The Ottoman Empire, Constantinople

In 14 53, Constantinople is taken over by the ottoman turks. The ottomans were moslem, and they basically conquer constantinople. They destroy all these morek farms where these little snails are being harvested for their purple. Killed the entire industry overnight. And now you'll no longer have access to this purple. So what does this mean? It means, by 14 three royalty across europe and in particular, the roman catholic church can no longer have their bishops, cardinals and the pope wearing purple tunics because the industry doesn't exist any more. But it's very difficult to come by a bright, vibrant red dye that sticks to fabrics