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19th U.S. president technically lost election but took office after Compromise of 1877 with Democrats -
began on July 14 something referred to as the Great Upheaval, where railroad workers protested across the United States. -
20th U.S. president elected in 1880 but assassinated after less than a year in office -
Many Gilded Age workers toiled in dangerous jobs for low pay. Approximately 40 percent of industrial laborers in the 1880s -
Some historians point to the 1890s as the start of the Progressive Era, but the ascent of Theodore Roosevelt to the presidency after McKinley’s assassination