-
Federal government to Washington, D.C.
On May 15, 1800, President John Adams orders the federal government to pack up and leave Philadelphia and set up shop in the nation’s new capital in Washington, D.C. -
Period: to
First Barbary War
The First Barbary War (1801–1805), also known as the Tripolitanian War and the Barbary Coast War, was the first of two Barbary Wars, in which the United States and Sweden fought against the four North African states known collectively as the "Barbary States". Three of these were autonomous, but nominally provinces of the Ottoman Empire: Tripoli, Algiers, and Tunis. The fourth was the independent Sultanate of Morocco. -
Louisiana Purchase
The Louisiana Purchase (French: Vente de la Louisiane 'Sale of Louisiana') was the acquisition of the territory of Louisiana by the United States from France in 1803. -
Noah Webster
In 1806, Webster published his first dictionary, A Compendious Dictionary of the English Language. The following year, he started working on an expanded and comprehensive dictionary, finally publishing it in 1828. -
Embargo Act
The Embargo Act of 1807 was a general trade embargo on all foreign nations that was enacted by the US Congress. -
War of 1812
The War of 1812 was a conflict fought between the United States and its allies, and the United Kingdom of Great Britain and Ireland and its allies. -
Period: to
War of 1812
This article is about the conflict in North America from 1812 to 1815. For the Franco-Russian conflict, see the French invasion of Russia. -
Adams–Onís Treaty
The Adams–Onís Treaty (Spanish: Tratado de Adams-Onís) of 1819,[1] also known as the Transcontinental Treaty,[2] the Florida Purchase Treaty,[3] or the Florida Treaty,[4][5] was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain. It settled a standing border dispute between the two countries and was considered a triumph of American diplomacy. -
Period: to
Trail of Tears
The Trail of Tears was a series of forced relocations of approximately 60,000 Native Americans between 1830 and 1850 by the United States government. -
Joseph Henry
In 1831 Henry built and successfully operated, over a distance of 2.4 km (1.5 miles), a telegraph of his own design. -
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. -
Samuel Morse
Samuel Morse developed a code (bearing his name) that assigned a set of dots and dashes to each letter of the English alphabet and allowed for the simple transmission of complex messages across telegraph lines. -
Wagon train
A wagon train is a group of wagons traveling together. Before the extensive use of military vehicles, baggage trains followed an army with supplies and ammunition. In the American West, settlers traveling across the plains and mountain passes in covered wagons banded together for mutual assistance. Although wagon trains are associated with the Old West, the Trekboers of South Africa also traveled in caravans of covered wagons. -
Texas annexation
The Texas annexation was the 1845 annexation of the Republic of Texas into the United States of America, which was admitted to the Union as the 28th state on December 29, 1845. -
Period: to
Mexican–American War
The Mexican–American War,[a] also known in the United States as the Mexican War and in Mexico as the Intervención Estadounidense en México (U.S. intervention in Mexico),[b] was an armed conflict between the United States and Mexico from 1846 to 1848. -
Period: to
The California Gold Rush
The California Gold Rush (1848–1855) was a gold rush that began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California. -
Period: to
Abraham Lincoln
Abraham Lincoln (/ˈlɪŋkən/;[2] February 12, 1809 – April 15, 1865) was an American statesman and lawyer who served as the 16th president of the United States from 1861 to 1865. -
Period: to
American Civil War
The American Civil War (also known by other names) was a civil war in the United States from 1861 to 1865, fought between northern states loyal to the Union and southern states that had seceded to form the Confederate States of America. -
Sand Creek massacre
The Sand Creek massacre (also known as the Chivington massacre, the battle of Sand Creek, or the massacre of Cheyenne Indians) was a massacre of Cheyenne and Arapaho people by the U.S. Army in the American Indian Wars that occurred on November 29, 1864 -
First Transcontinental Railroad
The First Transcontinental Railroad (known originally as the "Pacific Railroad" and later as the "Overland Route") was a 1,912-mile (3,077 km) continuous railroad line constructed between 1863 and 1869 that connected the existing eastern U.S. rail network at Council Bluffs, Iowa with the Pacific coast at the Oakland Long Wharf on San Francisco Bay.