Keogh was in charge of some Irishmen in 1916 , who were installing a new gas tank in Dirschau , West Prussia . It has been assumed that these men were the remnants of the Irish Brigade . Keogh had joined the Imperial German Army by 1918 , and for his service during the Spring Offensive , was awarded the Hindenburg Cross . He was placed in command of the machine gun company with the 16th Bavarian Infantry Division at Ligny . Whilst serving here Field-Lieutenant Keogh first met Lance Corporal Adolf Hitler briefly . Keogh stated that he met him whilst Hitler was recovering on a stretcher from a groin wound that Keogh suggests would have " made it impossible for him to become a father . " Keogh contracted the Spanish Flu towards the end of the war , but recovered in time to join the right-wing militia group Freikorps which operated out of Munich . Around this time , Keogh met and married Annamarie Von Seuffert . Keogh was part of the 30,000 Freikorps which quashed the Bolshevik-inspired Marxist revolution in Munich in February 1919 . During the battle , he operated a machine gun and was awarded the Siegfried Dagger of Honour , with a personal dedication from the deputy commanding officer Ernst Röhm . During his service in German Army , Keogh was also awarded a German Wound Badge
Hindenburg Cross
The Honour Cross of the World War 1914/1918
Michael Keogh (soldier)