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The Dead Rabbits Riot was a two-day civil disturbance on July 4–5, 1857, that began as a gang fight and escalated into a citywide riot in New York City. -
The Ku Klux Klan was founded in Pulaski, Tennessee, on December 24, 1865, by six Confederate veterans. Though it began as a social club, the Klan quickly evolved into a white supremacist terrorist organization that used violence and intimidation to oppose Reconstruction and restore white control in the South. -
In January 1870, John D. Rockefeller and his partners, including his brother William, incorporated the Standard Oil Company with a $1 million capital, transforming their oil refining partnership into a joint-stock corporation. -
Alexander Graham Bell was granted U.S. Patent No. 174,465 for the telephone on March 7, 1876, after filing an application on February 14, 1876 -
On January 1, 1892, Ellis Island officially opened as the United States' first federal immigration station, replacing the state-run system. -
Frank Baum's story was published by George M. Hill Company. The first edition had a printing of 10,000 copies and was sold in advance of the publication date of September 1, 1900 -
Theodore Roosevelt became President of the United States on September 14, 1901, after the assassination of President William McKinley by anarchist Leon Czolgosz. -
In 1901, the renowned financier J.P. Morgan formed U.S. Steel by merging Andrew Carnegie's Carnegie Steel Company with Federal Steel Company and National Steel Company, along with other smaller steel and iron ore companies, creating the world's first billion-dollar corporation. -
Ford Motor Company was founded by Henry Ford on June 16, 1903, in Detroit, Michigan. -
In 1904, journalist Ida Tarbell published her seminal work, The History of the Standard Oil Company, a thoroughly researched exposé of John D. Rockefeller's oil monopoly and its unethical business practices. -
The 16th Amendment to the U.S. Constitution, passed by Congress on July 2, 1909, was ratified on February 3, 1913, establishing Congress's power to levy a federal income tax on individuals and corporations without apportionment among the states. -
The 17th Amendment, ratified in 1913, provides for the direct, popular election of U.S. senators. -
The "Great Oklahoma Land Race," officially the Oklahoma Land Rush of 1889, was a pivotal event on April 22, 1889, where President Benjamin Harrison opened nearly 2 million acres of formerly Indian Territory's Unassigned Lands to white settlement.