1845
1849
President James Polk coins the term "Manifest Destiny"
1735
Henry Ford's company produces the first Model T automobile
Stock market crashes, launching the Great Depression
1861
1788
Trial of John Peter Zenger raises the idea of freedom of the press
The United States Constitution is ratified
The 15th Amendment to the Constitution grants all males the right to vote
1903
Wright Brothers' first manned, powered flight
Eleven Southern states secede from the United States, beginning the Civil War
Gold is discovered in California, leading to the Gold Rush
1846
The borders of Oregon Territory are set, splitting the land with Britain at the 49th parallel
1929
1908
1870
