| 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 |