Wettlauf zum Meer
"Armee-Abteilung" Falkenhausen was set up in the southern part of the Western Front in Alsace-Lorraine on 17 September 1914 from the parts of 6th Army that remained in Lorraine after the main body marched north to participate in the Race to the Sea. The Staff of the "Ersatz" Corps and its commander took command of the "Armee-Abteilung" and the "Ersatz" Corps ceased to exist.