Question: Mathilde Ludendorff was the wife of the German General who was victorious at which two battles?
Related documents: [0]  [DOC] Erich Friedrich Wilhelm Ludendorff (9 April 1865 – 20 December 1937) was a German general, the victor of the Battle of Liège and the Battle of Tannenberg. From August 1916, his appointment as Quartermaster general ("Erster Generalquartiermeister") made him the leader (along with Paul von Hindenburg) of the German war efforts during World War I until his resignation in October 1918, just before the end of hostilities. [END] 
[1]  [DOC] Mathilde Friederike Karoline Ludendorff (born Mathilde Spiess; 4 October 1877 in Wiesbaden – 24 June 1966 in Tutzing) was a German psychiatrist. Her third husband was General Erich Ludendorff. She was a leading figure in the Völkisch movement known for her esoteric and conspiratorial ideas. Together with Ludendorff, she founded the [END] 
Answer: 
Battle of Liège and the Battle of Tannenberg
Battle of Liège and the Battle of Tannenberg