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Antarctica
- January 19, 1840 - Antarctica is claimed for the United States when Captain Charles Wilkes circumnavigates the continent and claims Wilkes Land for the nation.
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Emphasize that vast areas of what is now the United States were either claimed or held by Mexico, the Republic of Texas, or Britain in 1840. Ask students if your state was either a territory or part of a foreign nation in 1840.
- Map 1A
Map 1A. Back to Lesson 1. Note: Be sure to set your printer...
- Map 1B
Map 1B. Back to Lesson 1. Note: Be sure to set your printer...
- Introduction
Over the next seventy years, the United States expanded to...
- Lesson 2
Which nations held Texas in 1830, 1840, and 1846? In 1830...
- Map 1A
- Manifest Destiny
- Westward Expansion and Slavery
- Westward Expansion and The Mexican War
- Westward Expansion and The Compromise of 1850
- Bleeding Kansas
By 1840, nearly 7 million Americans–40 percent of the nation’s population–lived in the trans-Appalachian West. Following a trail blazed by Lewis and Clark, most of these people had left their homes in the East in search of economic opportunity. Like Thomas Jefferson, many of these pioneers associated westward migration, land ownership and farming w...
Meanwhile, the question of whether or not slavery would be allowed in the new western states shadowed every conversation about the frontier. In 1820, the Missouri Compromise had attempted to resolve this question: It had admitted Missouri to the union as a slave state and Maine as a free state, preserving the fragile balance in Congress. More impor...
Despite this sectional conflict, Americans kept on migrating West in the years after the Missouri Compromise was adopted. Thousands of people crossed the Rockies to the Oregon Territory, which belonged to Great Britain, and thousands more moved into the Mexican territories of California, New Mexico and Texas. In 1837, American settlers in Texas joi...
In 1848, the Treaty of Guadelupe Hidalgo ended the Mexican War and added more than 1 million square miles, an area larger than the Louisiana Purchase, to the United States. The acquisition of this land re-opened the question that the Missouri Compromise had ostensibly settled: What would be the status of slavery in new American territories? After t...
But the larger question remained unanswered. In 1854, Illinois Senator Stephen A. Douglas proposed that two new states, Kansas and Nebraska, be established in the Louisiana Purchase west of Iowaand Missouri. According to the terms of the Missouri Compromise, both new states would prohibit slavery because both were north of the 36º30’ parallel. Howe...
January 19, 1840 - Antarctica is claimed for the United States when Captain Charles Wilkes circumnavigates the continent and claims Wilkes Land for the nation. More June 1, 1840 - The census of the United States grows to 17,063,353, up 33% from the decade before.
Mar 31, 2023 · The Texas annexation by the United States in 1845 brought Texas into the Union as a slave state. In 1846, the British ceded the Oregon Territory south of the 49th parallel: what is now Washington, Oregon, Idaho, and part of and Montana.
The Territory of Florida was an organized incorporated territory of the United States that existed from March 30, 1822, until March 3, 1845, when it was admitted to the Union as the State of Florida.
The 1849 Treaty of Guadalupe Hidalgo ends the Mexican-American War. In exchange for $15 million and settling $3.25 million in American claims, Mexico cedes approximately 500,000 square miles of territory in the western and southwestern United States.
January 19 – Captain Charles Wilkes circumnavigates Antarctica, claiming what becomes known as Wilkes Land for the United States. March 4 – Alexander S. Wolcott and John Johnson open their "Daguerreian Parlor" on Broadway (Manhattan), the world's first commercial photography portrait studio.
