1883 Clara Barton serves for a short period as superintendent of Women’s Reformatory Prison in Sherborn, Massachusetts, and aids victims of tornadoes in Louisiana and Alabama 1884 Clara Barton assists survivors of Ohio and Mississippi river floods; International Red Cross adopts “American Amendment;” study of tuberculosis begins in earnest 1885 Ottmar Mergenthaler invents linotype machine; Grover Cleveland becomes President 1886 Clara Barton sends relief to Charleston, South Carolina, after earthquake 1888 Clara Barton organizes care of Jacksonville, Florida, yellow fever victims; George Eastman perfects hand camera 1889 Clara Barton works at Johnstown, Pennsylvania, flood scene; Benjamin Harrison becomes President; Jane Addams opens Hull House in Chicago; Mayo brothers open clinic in Rochester, Minnesota [Illustration: _Jane Addams_] 1890 U.S. population stands at 62,947,714 1891 Clara Barton builds house at Glen Echo, Maryland [Illustration: _The house at Glen Echo_] 1892 Clara Barton organizes relief for victims of drought and famine in Russia 1893 Clara Barton sends relief to victims of Sea Island hurricane; Grover Cleveland becomes President; Lillian Wald establishes Henry Street Settlement House in New York City [Illustration: _Lillian Wald_] 1895 Röntgen discovers X-rays 1897 Clara Barton moves to Glen Echo; William McKinley becomes President, is shot September 6, 1901, dies September 14, and is succeeded by Theodore Roosevelt 1898 Clara Barton takes the Red Cross to the front lines during Spanish-American War, which lasts from April 11 to August 13, and publishes _The Red Cross in Peace and War_ [Illustration: _Red Cross ambulance used during the Spanish-American War_] 1900 Clara Barton organizes relief for Galveston, Texas, after hurricane and tidal wave, and receives growing criticism for way she is managing the Red Cross; Federal charter granted to the American National Red Cross; Walter Reed discovers that mosquitoes transmit yellow fever 1901 Jean-Henri Dunant shares, with Frederic Passy, the first Nobel Peace Prize; Marconi transmits first radio signal across the Atlantic 1902 Arthur Little patents rayon 1903 Wright brothers fly their first airplane [Illustration: _The first flight_] 1904 Clara Barton resigns as president of the American National Red Cross; Mabel Boardman takes control until 1946 [Illustration: _Mabel Boardman_] 1905 Clara Barton forms the National First Aid Society 1907 Clara Barton publishes _The Story of My Childhood_