. ▁Fal ken h ay n ▁retired ▁on ▁ 2 ▁May ▁ 1 9 1 0 , ▁was ▁promoted ▁to ▁" General ▁der ▁K av all erie " ▁and ▁appointed ▁Ober hof meister ▁( L ord ▁Chamber lain ) ▁of ▁Em press ▁August a ▁V ikt oria . ▁▁ ▁Fal ken h ay n ▁was ▁react iv ated ▁in ▁the ▁beginning ▁of ▁World ▁War ▁I ▁and ▁became ▁command ing ▁general ▁of ▁the ▁XX II ▁Reserve ▁Corps ▁on ▁ 1 0 ▁September ▁ 1 9 1 4 . ▁His ▁Corps ▁fought ▁in ▁the ▁Battle ▁of ▁Fland res , ▁in ▁the ▁Battle ▁of ▁Gor lice - T arn ów , ▁in ▁Ser bia ▁as ▁part ▁of ▁the ▁Aust rian ▁III ▁Army ▁under ▁General ▁Kö v ess . ▁In ▁ 1 9 1 6 ▁the ▁XX II ▁Reserve ▁Corps ▁was ▁deployed ▁at ▁the ▁Battle ▁of ▁Verd un ▁and ▁sent ▁to ▁the ▁Eastern ▁Front ▁( World ▁War ▁I ) ▁to ▁counter ▁the ▁Br us il ov ▁Off ensive , ▁it ▁returned ▁to ▁Germany ▁in ▁November ▁ 1 9 1 8 ▁and ▁Fal ken h ay n ▁retired ▁on ▁ 3 0 ▁June ▁ 1 9 1 9 . ▁ ▁Fal ken h ay n ▁died ▁in ▁Berlin - L ichter fel de ▁on ▁ 3 ▁January ▁ 1 9 3 4 . ▁ ▁Family ▁ ▁Fal ken h ay n ▁married ▁Louise ▁von ▁D ör n berg ▁in ▁ 1 8 9 3 , ▁his ▁grand d augh ter ▁Maria ▁von ▁Qu istor p ▁was ▁the ▁wife