The Gilded Age is a term used to describe a period in American history roughly spanning from the end of Reconstruction (c. 1877) to the turn of the twentieth century (c. 1900), though some historians extend the period to 1920. The phrase was coined by Mark Twain and Charles Dudley Warner in their 1873 satirical novel The Gilded Age: A Tale of Today, which depicted American society as outwardly prosperous but inwardly corrupt. The era was defined by rapid industrialization, explosive economic growth, dramatic expansion of the railroads, mass immigration, and the rise of large industrial corporations and the financiers who controlled them. It was also marked by stark economic inequality, political corruption, and the emergence of organized labor in response to harsh industrial working conditions.

The Gilded Age followed the collapse of Reconstruction and the withdrawal of federal troops from the South. The United States underwent a transformation from a predominantly agrarian economy to an industrial one, driven by coal, steel, oil, and rail. Industrial output expanded at a pace unmatched by any prior generation. Major figures of the era - including Andrew Carnegie, John D. Rockefeller, J.P. Morgan, and Cornelius Vanderbilt - accumulated wealth on a scale previously unseen in American history. Their enterprises employed hundreds of thousands of workers, often under dangerous conditions and for low wages. Urban populations swelled as immigrants from Southern and Eastern Europe arrived in large numbers, settling in industrial cities such as New York, Chicago, Pittsburgh, and Detroit.

Political life during the Gilded Age was characterized by intense partisanship, high voter turnout, and pervasive corruption at municipal, state, and federal levels. The spoils system governed federal appointments, and party machines - most notoriously Tammany Hall in New York City - traded patronage for political loyalty. Congressional power generally exceeded executive power during this period, and the federal government played a limited role in regulating economic activity. The period also saw the formal legal exclusion of Chinese immigrants through the Chinese Exclusion Act of 1882 and the systematic dispossession of Native American lands through policies including the Dawes Act of 1887.

Labor conflict was endemic. Strikes such as the Great Railroad Strike of 1877, the Homestead Strike of 1892, and the Pullman Strike of 1894 brought violent confrontations between workers, Pinkertons, state militias, and federal troops. The Knights of Labor and, later, the American Federation of Labor organized workers and pressed for shorter hours, safer conditions, and recognition of collective bargaining. Agrarian unrest crystallized in the Populist movement, which challenged railroad monopolies, deflationary monetary policy, and the political influence of Eastern financial interests.

The Gilded Age gave way to the Progressive Era, during which reformers sought to address many of the era's perceived excesses through regulation, antitrust action, and democratic reforms.

The legacy and meaning of the Gilded Age are contested. Whether the great industrialists of the era are better understood as productive innovators who raised living standards or as predatory monopolists who exploited workers and corrupted government is a central point of historical and economic disagreement. The era's immigration wave is debated in terms of its social, economic, and political effects; the immigration debate as it bears on this period is treated more fully at Immigration - United States History. The role of government - then minimal, later expanded through Progressive and New Deal legislation partly in response to Gilded Age conditions - remains a point of ideological contention. See Gilded Age - Debate.

There is broad scholarly consensus on the basic chronology, major events, and principal figures of the Gilded Age. Interpretive questions - including the net effects of industrialization on worker welfare, the character of the era's political economy, and the moral standing of its leading capitalists - remain actively debated. See Gilded Age - Economics Consensus.

• Robber Barons - The view that Gilded Age industrialists were primarily exploitative monopolists who suppressed wages, corrupted government, and extracted wealth rather than created it. Gilded Age - Robber Barons Viewpoint
• Productive Innovators - The view that Gilded Age industrialists drove genuine economic growth, lowered consumer prices, and created conditions for broad prosperity. Gilded Age - Productive Innovators Viewpoint
• Labor and Class Conflict - The view that the defining feature of the era was the exploitation of industrial workers and the suppression of organized labor by capital backed by state power. Gilded Age - Labor Conflict Viewpoint
• Laissez-Faire and Liberty - The view that the era's economic dynamism resulted from relatively free markets, and that subsequent regulatory responses undermined those gains. Gilded Age - Laissez-Faire Viewpoint
• Populist Critique - The agrarian and democratic critique holding that monetary policy, railroad monopolies, and Eastern financial power systematically disadvantaged farmers and rural communities. Gilded Age - Populist Viewpoint

• Gilded Age - History
• Gilded Age - Debate
• Gilded Age - Economics Consensus
• Reconstruction
• Progressive Era
• United States of America - History
• American Industrialization
• American Labor Movement
• Populist Movement
• Immigration - United States History

1. Twain, Mark, and Charles Dudley Warner. The Gilded Age: A Tale of Today. Hartford: American Publishing Company, 1873.
2. Foner, Eric. Reconstruction: America's Unfinished Revolution, 1863-1877. New York: Harper & Row, 1988.
3. Josephson, Matthew. The Robber Barons: The Great American Capitalists, 1861-1901. New York: Harcourt, Brace, 1934.
4. Folsom, Burton W. The Myth of the Robber Barons. Herndon, VA: Young America's Foundation, 1991.
5. Summers, Mark Wahlgren. The Gilded Age, or, The Hazard of New Functions. Upper Saddle River, NJ: Prentice Hall, 1997.
6. Painter, Nell Irvin. Standing at Armageddon: The United States, 1877-1919. New York: W.W. Norton, 1987.
7. White, Richard. The Republic for Which It Stands: The United States During Reconstruction and the Gilded Age, 1865-1896. New York: Oxford University Press, 2017.
8. United States Congress. Chinese Exclusion Act. 47th Congress, Session 1, Chapter 126. 6 May 1882.
9. United States Congress. Dawes Severalty Act. 49th Congress, Session 2, Chapter 119. 8 February 1887.