 Complete the following phrase:  Wenzel Joseph von Colloredo-Mels und Wallsee 15 October 1738  4 September 1822 served in the army of Habsburg Austria from the middle to the end of the 18th century. For the subsequent two decades, he continued to serve the Austrian military in non-combat roles. During the Seven Years War, he fought at Prague, Maxen, Torgau, and other actions. He held field commands in the 