-
Andrew Jackson elected
Jackson's stunning victory in the battle made him a national hero and set the stage for his successful campaigns in the United States Senate and for the presidency. As president between 1829 and 1837, Jackson fundamentally altered United States politics. -
Railroad era begins
During the 1830s, rail lines appeared in many sections of the country, particularly in New England and the Middle States. ... 1840 is usually regarded as the watershed date for the ascendancy of railroads over the canals. Huge track-laying increases began to occur. -
Texas Revolution, Republic of Texas established
On the eve of war, the American settlers in the area outnumbered Mexicans by a considerable margin. ... On March 1, 1836 the Convention of 1836 came to order, and the next day declared independence from Mexico, establishing the Republic of Texas. -
Mexican War begins
On April 25, 1846, Mexican cavalry attacked a group of U.S. soldiers in the disputed zone under the command of General Zachary Taylor, killing about a dozen. They then laid siege to an American fort along the Rio Grande -
Treaty of Guadeloupe Hidalgo ended Mexican War
U.S. acquires California and territory of New Mexico which includes present-day Nevada, Utah, Arizona, new Mexico, and part of Colorado