This document summarizes key events and developments in the United States between 1880-1899. It notes the industrialization and urbanization period from 1880-1915, as well as the settlement house movement to help immigrants. The Progressive Era from 1890-1920 is also mentioned as a time of social reforms. Specific events covered include the establishment of national parks like Yosemite and Mt. Rainier, inventions like the light bulb and automobile, women's suffrage movements, wars like the Spanish-American War, and economic downturns like the Panic of 1893.