During World War I, from 1917 to 1918, men and women from East Hempfield Township's Landisville District who served included J. Urban Baker, Samuel M. Bender, Harry Blessing, Walter L. Brinard, Eugene C. Diffenderfer, Andrew M. Eshleman, Amos M. Gantz, Guy M. Habecker, Charles R. Hahn, Harry C. Hoffman, Jr., W. Gamber Hoffman, Benjamin F. Kendig, James E. Kendig, John A. Kendig, Harry B. Kilgore, John E. Kitner, Howard J. Kline, Henry S. Kolp, Elias L. Kreider, Harold D. Landis, Fred D. Long, H. Earl Long, John Malehorn, Hiram D. Mohler, James L. Mohn, Grace Mumma, Stanley N. Mumma, Hoffman Nissley, Quintin O. Reitzel, Paul D. Schlotthauer, Harry W. Shank, Elmer L. Snavely, Ralph W. Snavely, Howard B. Stauffer, John W. Stauffer, Clyde M. Swarr, John K. Trayer, and William R. Weaver.