 Complete the following phrase:  He continued to enjoy the favour of the king and was promoted to the rank of general of the infantry 1869, but the bitterness of his disappointment of 1866 never left him. He was grey-haired at forty-two, and his health was impaired. In 1869 von der Tann-Rathsamhausen, as he was now called, was appointed commander of the I. Bavarian Corps. This corps he commanded during the Franco-Prussian War of 187071, and it was in this war that he secured his reputation as one of the foremost of German soldiers. His gallantry was conspicuous at the battles of 