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Vulcanized Rubber
Thomas Hancock was a scientist and engineer, and he was the first to patent vulcanization of rubber. -
Nat Turner Rebellion
Nat Turner's rebellion was one of the largest slave rebellions ever to take place in the United States, and it played an important role in the development of antebellum slave society. -
Black Hawk War
The Black Hawk War was a brief conflict between the United States and Native Americans led by Black Hawk, a Sauk leader. It happened in the Illinois and Michigan Territory. -
Tariff of 1832
The Tariff was a protectionist tariff in the United States. It reduced the existing tariffs to remedy the conflict created by the tariff of 1828, but it was still deemed unsatisfactory by some in the South, especially in South Carolina. -
The Bank War
The Bank War was the name given to the campaign begun by President Andrew Jackson to destroy the Second Bank of the United States, after his reelection convinced him that his opposition to the bank had won national support. -
The Great Fire of New York
The 1835 Great Fire of New York was one of three fires that rendered extensive damage to New York City in the 18th and 19th centuries. The fire occurred in the middle of an economic boom, covering 17 city blocks, killing two people, and destroying hundreds of buildings, with an estimated $20 million of property damage. -
Baseball
Although popular legend says that the game was invented by Abner Doubleday, baseball's true father was Cartwright. The first recorded baseball contest took place a year later, in 1846. -
Amistad
In the early 1800s a group of black Africans who were being sold into slavery rose up against their captors on board the ship Amistad. The name of the ship became a symbol of the fight against slavery. The ship on which a successful revolt by black Africans occurred in 1839 is known as the Amistad. -
Ralph Waldo Emerson
Ralph Waldo Emerson was an American essayist, lecturer, and poet who led the transcendentalist movement of the mid-19th century. One of his best-known essays is "Self-Reliance." -
Dorr Rebellion
An attempt by middle-class residents to force broader democracy in the U.S. state of Rhode Island, where a small rural elite was in control of government. It was led by Thomas Wilson Dorr. -
Mexican War
The Mexican-American War marked the first U.S. armed conflict chiefly fought on foreign soil. When the dust cleared, Mexico had lost about one-third of its territory, including nearly all of present-day California, Utah, Nevada, Arizona and New Mexico. -
California Gold Rush
The finding of the gold nuggets occurred in Sacramento Valley in the early 1848. It was one of the most significant events to shape American history during the first half of the 19th century. -
Samuel Colt
Samuel Colt was an American inventor, industrialist, businessman, and hunter. He was an inventor and industrialist who created the revolver—most notably the .45-calibre Peacemaker model. -
Gas Mask
The gas mask is a mask used to protect the user from inhaling dangerous pollutants and toxic gasses. One of the four inventors was Garrett Augustus Morgan, Sr. -
Doughnut
A Jewish refugee from czarist Russian named Adolph Levitt is responsible for inventing the first automated doughnut machine. Then Hanson Gregory, an American, claimed to have invented the ring-shaped doughnut aboard a lime-trading ship when he was 16 years old in 1847.
