• 1775 - 1783 - The American Revolution creates the United States of America. The Revolution was due to the British burden of taxes and total power to legislate any laws governing the American colonies.
• July 4, 1776 - United States Declaration of Independence
• July 10, 1778 - France declares war against Britain and makes an alliance with the American revolutionary forces
• September 3, 1783 - The Treaty of Paris is signed by the victorious United States and the defeated Great Britain

Facts about the History of Wyoming History - The Early 1800's

• 1803 Claimed by the United States as part of the Louisiana Purchase

• The Louisiana Purchase - In 1803, the United States bought the Louisiana Territory from France. The U.S. Secretary of State, James Madison paid 15 million dollars for the land
• 1804 - Lewis and Clark reach the area - Meriwether Lewis (1774-1809) and William Clark (1770- 1838). Female Shoshone Indian guide Sacajawea (1788-1812) acted as interpreter and negotiator
• 1805 General James Wilkinson is appointed governor of the region including Wyoming
• 1806 John Colter, a member of the Lewis and Clark expedition explores the Rocky Mountains
• 1807 Ezekiel Williams heads trapping party into Wyoming
• 1811 Wilson Price Hunt's party cross Wyoming on its way to Oregon
• 1812 Robert Stuart pioneers the Oregon Trail across Wyoming
• 1812 - 1815 - The War of 1812 between U.S. and Great Britain, ended in a stalemate but confirmed America's Independence
• 1822-1829 - William H Ashley exploration and the discovery of a central route to the Pacific sends trappers to northern Utah who answered an advertisement in the St. Louis Gazette and Public Advertiser in the winter of 1822: "Enterprising Young Men...to ascend the Missouri to its source, there to be employed for one, two, or three years." Amongst those to respond were Jim Beckwourth, Tom Fitzpatrick, David Jackson, Hugh Glass, Jim Bridger and Jedediah Smith.
• 1826 - Jedediah Smith (1799-1831) and Jim Bridger ( Old Gabe 1804-1881) leadexpeditions to California and Nevada

Facts about the History of Wyoming History - The American Civil War

• 1854-90 The Sioux Wars - The Sioux under Sitting Bull and Crazy Horse resisted waves of settlers and prospectors, to keep their hunting grounds.

• 1861 - 1865 The American Civil War. In 1859 John Brown raided Harpers Ferry and set in motion events that led directly to the outbreak of the Civil War. Abraham Lincoln, a known opponent of slavery, was elected president and in 1861 the South Secedes. The initial Secession of South Carolina was followed by the secession of Mississippi, Florida, Alabama, Georgia, Louisiana, Texas, Virginia, Arkansas, Tennessee, and North Carolina. These eleven states eventually formed the Confederate States of America. The bombardment of Fort Sumter was the opening engagement of the American Civil War. The surrender of Robert E. Lee on April 9 1865 signalled the end of the Confederacy
• 1865 December 6 - The Abolishment of Slavery. The Thirteenth Amendment to the U.S Constitution is ratified, thus officially abolishing slavery
• 1898-1901 The Spanish American War. On December 10, 1898 the Treaty of Paris the US annexes Puerto Rico, Guam, Philippines.

Origin of the name

• Named after a tribe of the Creek Indian nation