There were many different crusades. The most important and biggest Crusades took place from the 11th century to the 13th century. There were 9 large crusades during this time. They are numbered 1 through 9. There were also many smaller Crusades. Some crusades were even within Europe (for example, in Germany, Austria and Scandinavia). The smaller Crusades continued to the 16th century, until the Renaissance and Reformation.