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The United States Army is Established
The United States Army is the land warfare service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution. -
The US Marine Corps is Established
The United States Marine Corps, also referred to as the United States Marines, is a branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations with the United States Navy as well as the Army and Air Force. -
Declaration of Independence
The Declaration of Independence is defined as the formal statement written by Thomas Jefferson declaring the freedom of the thirteen American colonies from Great Britain. -
French Joins War Against Britain
France formally recognized the United States on February 6, 1778, with the signing of the Treaty of Alliance. Hostilities soon followed after Britain declared war on France on March 17, 1778. -
The Continental Congress approves the Articles of Confederation
The Articles of Confederation and Perpetual Union was an agreement among the 13 original states of the United States of America that served as its first constitution. It was approved, after much debate, by the Second Continental Congress on November 15, 1777, and sent to the states for ratification. -
Treaty of Paris
The Treaty of Paris was the official peace treaty between the United States and Britain that ended the American Revolutionary War. It was signed on September 3, 1783. The Congress of the Confederation ratified the treaty on January 14, 1784. King George III ratified the treaty on April 9, 1784. This was five weeks after the deadline, but nobody complained. -
The delegates at the Philadelphia convention approve the Constitution
The Constitutional Convention was called in May of 1787 order to make revisions to the Articles of Confederation. George Washington was immediately named the Convention's president. This Articles had been shown since their adoption to be very weak. -
George Washington inaugurated as President of the United States
The presidency of George Washington began on April 30, 1789, when Washington was inaugurated as the first president of the United States, and ended on March 4, 1797. Washington took office after the 1788–89 presidential election, the nation's first quadrennial presidential election, in which he was elected unanimously. Washington was re-elected unanimously in the 1792 presidential election, and chose to retire after two terms. He was succeeded by his vice president, John Adams. -
The Bill of Rights is ratified by 3/4ths of the states
Vermont ratified on November 3, 1791 and Virginia was the final state to ratify on December 15, 1791. Massachusetts, Georgia, and Connecticut ratified in 1939 on the 150th anniversary of the signing of the Bill of Rights by the First Congress. -
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. In return for fifteen million dollars, or approximately eighteen dollars per square mile, the United States nominally acquired a total of 828,000 sq mi (2,140,000 km2; 530,000,000 acres). -
Slave trade ended
On 25 March 1807, the Abolition of the Slave Trade Act entered the statute books. Nevertheless, although the Act made it illegal to engage in the slave trade throughout the British colonies, trafficking between the Caribbean islands continued, regardless, until 1811. -
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War with England (1812)
The War of 1812 was a conflict fought between the United States and the United Kingdom, with their respective allies, from June 1812 to February 1815. Historians in Britain often see it as a minor theatre of the Napoleonic Wars; historians in the United States and Canada see it as a war in its own right. -
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Trail of Tears
The Trail of Tears was a series of forced relocations of approximately 60,000 Native Americans in the United States from their ancestral homelands in the Southeastern United States, to areas to the west of the Mississippi River that had been designated as Indian Territory. -
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Texas Revolution
The Texas Revolution was a rebellion of colonists from the United States and Tejanos in putting up armed resistance to the centralist government of Mexico -
Battle of the Alamo
The Battle of the Alamo was a pivotal event in the Texas Revolution. Following a 13-day siege, Mexican troops under President General Antonio López de Santa Anna reclaimed the Alamo Mission near San Antonio de Béxar, killing the Texian and immigrant occupiers. -
Telegraph Invented
An electrical telegraph was a point-to-point text messaging system, used from the 1840s until better systems became widespread. It used coded pulses of electric current through dedicated wires to transmit information over long distances. -
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Gold Rush
The California Gold Rush 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. The news of gold brought approximately 300,000 people to California from the rest of the United States and abroad -
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The Civil War
The American Civil War was a civil war in the United States from 1861 to 1865, fought between the northern United States and the southern United States. The civil war began primarily as a result of the long-standing controversy over the enslavement of black people. -
Emancipation Proclamation
The Emancipation Proclamation, or Proclamation 95, was a presidential proclamation and executive order issued by United States President Abraham Lincoln effective January 1, 1863. -
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Reconstruction
The Reconstruction era was the period in American history which lasted from 1863 to 1877. It was a significant chapter in the history of American civil rights. -
Assassination of Abraham Lincoln
Abe Lincoln was an American statesman and lawyer who served as the 16th president of the United States from March 1861 until his assassination in April 1865. Lincoln led the nation through the American Civil War, its bloodiest war and its greatest moral, constitutional, and political crisis. -
Civil Rights Act of 1875
The Civil Rights Act of 1875 sometimes called the Enforcement Act or the Force Act, was a United States federal law enacted during the Reconstruction era in response to civil rights violations against African Americans -
The United States annexes Guam, the Phillipines, and Puerto Rico.(1866-1898)
American imperialism describes policies aimed at extending the political, economic, and cultural control of the United States over areas beyond its boundaries. -
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Spanish American War
The Spanish–American War was an armed conflict between Spain and the United States in 1898. Hostilities began in the aftermath of the internal explosion of USS Maine in Havana Harbor in Cuba, leading to U.S. intervention in the Cuban War of Independence. -
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Charles Lindbergh
Charles Augustus Lindbergh was an American aviator, military officer, author, inventor, and activist. At age 25 in 1927, he went from obscurity as a U.S. Air Mail pilot to instantaneous world fame by winning the Orteig Prize for making a nonstop flight from New York to Paris. -
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World War I (WWI)
World War I, also known as the First World War or the Great War, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. -
Panama Canal Opens for Business
On August 15, 1914, the Panama Canal opened for business, with the passage through of the Ancon, an American cargo-passenger ship. The Canal was built primarily to make a faster way to the West Coast for American settlers in the 19th Century. -
The Treaty of Versailles is signed, ending World War I.
The Treaty of Versailles (French: Traité de Versailles) was the most important of the peace treaties that brought World War I to an end. The Treaty ended the state of war between Germany and the Allied Powers. ... The treaty was registered by the Secretariat of the League of Nations on 21 October 1919. -
Nineteenth Amendment
The Nineteenth Amendment to the United States Constitution prohibits the states and the federal government from denying the right to vote to citizens of the United States on the basis of sex. -
First radio broadcast in Pittsburgh, Pennsylvania
first commercial radio station was KDKA in Pittsburgh, which went on the air in the evening of Nov. 2, 1920, with a broadcast of the returns of the Harding-Cox presidential election. -
Black Tuesday
The Wall Street Crash of 1929, also known as the Great Crash, was a major stock market crash that occurred in 1929. It started in September and ended late in October, when share prices on the New York Stock Exchange collapsed -
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World War II
World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945. The vast majority of the world's countries—including all the great powers—eventually formed two opposing military alliances: the Allies and the Axis. -
Pearl Harbor
The attack on Pearl Harbor was a surprise, preemptive military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Hawaii, just before 08:00, on Sunday morning, December 7, 1941. -
D-Day
The Normandy landings were the landing operations on Tuesday, 6 June 1944 of the Allied invasion of Normandy in Operation Overlord during World War II. Codenamed Operation Neptune and often referred to as D-Day, it was the largest seaborne invasion in history. -
1st atomic bomb on Hiroshima, Japan.
The United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki on August 6 and 9, 1945, respectively, with the consent of the United Kingdom, as required by the Quebec Agreement. -
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Baby Boom
A baby boom is a period marked by a significant increase of birth rate. This demographic phenomenon is usually ascribed within certain geographical bounds. -
The Cold War began between the United States and the Soviet Union
The Cold War began after the surrender of Nazi Germany in 1945, when the uneasy alliance between the United States and Great Britain on the one hand and the Soviet Union on the other started to fall apart. ... The Americans and the British worried that Soviet domination in eastern Europe might be permanent. -
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Korean War
The Korean War was a war between North Korea and South Korea. The war began on 25 June 1950 when North Korea invaded South Korea. At the end of World War II, the Soviet Union and the United States liberated Korea from imperial Japanese colonial control on 15 August 1945. -
Brown v. Board of Education
Brown v. Board of Education of Topeka, 347 U.S. 483, was a landmark decision of the U.S. Supreme Court in which the Court ruled that U.S. state laws establishing racial segregation in public schools are unconstitutional, even if the segregated schools are otherwise equal in quality. -
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Vietnam War
The Vietnam War, also known as the Second Indochina War, and in Vietnam as the Resistance War Against America or simply the American War, was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. -
Sputnik Satellite
Sputnik 1 was the first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit on 4 October 1957, orbiting for three weeks before its batteries died, then silently for two more months before falling back into the atmosphere. -
NASA formed
The National Aeronautics and Space Administration is an independent agency of the United States Federal Government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA was established in 1958, succeeding the National Advisory Committee for Aeronautics. -
Civil Rights Act of 1960
The Civil Rights Act of 1960 is a United States federal law that established federal inspection of local voter registration polls and introduced penalties for anyone who obstructed someone's attempt to register to vote. -
Assassination of JFK
John Fitzgerald "Jack" Kennedy, often referred to by the initials JFK, was an American politician who served as the 35th president of the United States from January 1961 until his assassination in November 1963. -
Apollo 11
Apollo 11 was the spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin formed the American crew that landed the Apollo Lunar Module Eagle on July 20, 1969, at 20:17 UTC. -
Watergate
The Watergate scandal was a major federal political scandal in the United States involving the administration of President Richard Nixon from 1972 to 1974 that resulted in the end of Nixon's presidency. -
Human Rights
Carter believed that previous administrations had erred in allowing the Cold War concerns and Realpolitik to dominate foreign policy. His administration placed a new emphasis on human rights, democratic values, nuclear proliferation, and global poverty. -
Fall Of the Berlin Wall
The Berlin Wall was a guarded concrete barrier that physically and ideologically divided Berlin from 1961 to 1989. Construction of the Wall was commenced by the German Democratic Republic on 13 August 1961. The Wall cut off West Berlin from surrounding East Germany, including East Berlin -
Gulf War (Operation Desert Storm) [1990-1991]
The Gulf War, codenamed Operation Desert Shield for operations leading to the buildup of troops and defense of Saudi Arabia and Operation Desert Storm in its combat phase, was a war waged by coalition -
September 11th
The September 11 attacks were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda against the United States on the morning of Tuesday, September 11, 2001.