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Declaration of Independence
On June 11, 1776, Congress appointed a "Committee of Five", consisting of John Adams of Massachusetts, Benjamin Franklin of Pennsylvania, Thomas Jefferson of Virginia, Robert R. Livingston of New York, and Roger Sherman of Connecticut, to draft a declaration. -
Louisiana Purchase
The Louisiana Purchase was the acquisition of the Louisiana territory by the United States from France in 1803. The U.S. paid fifty million francs and a cancellation of debts worth eighteen million francs for a total of sixty-eight million francs. -
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War of 1812
The War of 1812 was a conflict fought between the United States, the United Kingdom, and their respective allies. -
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Mexican American War
The Mexican–American War, also known as the Mexican War in the United States and in Mexico as the American intervention in Mexico, was an armed conflict between the United States of America and the United Mexican States from 1846 to 1848. -
Spanish American War
The Spanish–American War was fought between the United States and Spain in 1898. Hostilities began in the aftermath of the internal explosion of the USS Maine in Havana Harbor in Cuba, leading to U.S. intervention in the Cuban War of Independence. -
Panama Canal
The Panama Canal is an artificial 77 km waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean. The canal cuts across the Isthmus of Panama and is a key conduit for international maritime trade. -
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WW1
World War I, also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918 -
Zimmerman Telegram
The Zimmermann Telegram (or Zimmermann Note or Zimmerman Cable) was a secret diplomatic communication issued from the German Foreign Office in January 1917 that proposed a military alliance between Germany and Mexico in the prior event of the United States entering World War I against Germany. -
Battle of Cantigny
The Battle of Cantigny, fought May 28, 1918 was the first major American battle and offensive of World War I. -
Battle of Chateau-thierry
The Battle of Château-Thierry was fought on July 18, 1918 and was one of the first actions of the American Expeditionary Forces under General John J. "Black Jack" Pershing. -
Dawes plan
The Dawes Plan was an attempt in 1924 to solve the World War I reparations problem that Germany had to pay, which had bedevilled international politics following World War I and the Treaty of Versailles. -
Kellogg-Brand Pact
The Kellogg–Briand Pact is a 1928 international agreement in which signatory states promised not to use war to resolve "disputes or conflicts of whatever nature or of whatever origin they may be, which may arise among them". -
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Great Depression
The Great Depression was a severe worldwide economic depression that took place mostly during the 1930s, originating in the United States. -
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WW2
World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945, although related conflicts began earlier. -
Pearl Harbor
The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service against the United States naval base at Pearl Harbor, Hawaii Territory, on the morning of December 7, 1941. -
Battle of Okinawa
The Battle of Okinawa, codenamed Operation Iceberg, was a major battle of the Pacific War fought on the island of Okinawa by United States Marine and Army forces against the Imperial Japanese Army. -
Battle of Iwo Jima
The Battle of Iwo Jima was a major battle in which the United States Marine Corps landed on and eventually captured the island of Iwo Jima from the Imperial Japanese Army during World War II. -
United Nations
The United Nations is an intergovernmental organization tasked to promote international cooperation and to create and maintain international order. -
Rio Pact
The Inter-American Treaty of Reciprocal Assistance (commonly known as the Rio Treaty, the Rio Pact, or by the Spanish-language acronym TIAR from Tratado Interamericano de Asistencia Recíproca) was an agreement signed in 1947 in Rio de Janeiro among many countries of the Americas. -
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Cold war
The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc and powers in the Western Bloc. -
Marshall Plan
The Marshall Plan was an American initiative to aid Western Europe, in which the United States gave over $13,000,000,000 in economic assistance to help rebuild Western European economies after the end of World War II. -
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Berlin Blockade
The Berlin Blockade was one of the first major international crises of the Cold War. -
NATO
The North Atlantic Treaty Organization, also called the North Atlantic Alliance, is an intergovernmental military alliance between several North American and European countries based on the North Atlantic Treaty that was signed on 4 April 1949. -
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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 following a series of clashes along the border. -
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Vietnam War
The Vietnam War, also known as the Second Indochina War, and also known in Vietnam as the Resistance War Against America or simply the American War, was a conflict that occurred in Vietnam. -
IAEA
The International Atomic Energy Agency is an international organization that seeks to promote the peaceful use of nuclear energy, and to inhibit its use for any military purpose, including nuclear weapons. -
Bay of Pigs
The Bay of Pigs Invasion was a failed military invasion of Cuba undertaken by the Central Intelligence Agency-sponsored paramilitary group Brigade 2506 on 17 April 1961. -
Berlin Wall Rise
The Berlin Wall. During the early years of the Cold War, West Berlin was a geographical loophole through which thousands of East Germans fled to the democratic West. In response, the Communist East German authorities built a wall that totally encircled West Berlin. It was thrown up overnight, on 13 August 1961. -
Non-proliferation treaty
The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT, is an international treaty whose objective is to prevent the spread of nuclear weapons -
Nixon
It began in 1969, as a foreign policy of U.S. presidents Richard Nixon and Gerald Ford called détente; a "thawing out" or "un-freezing" at a period roughly in the middle of the Cold War, in efforts to avoid the collision of nuclear risks. -
SALT 1
The Strategic Arms Limitation Talks were two rounds of bilateral conferences and corresponding international treaties involving the United States and the Soviet Union, the Cold War superpowers, on the issue of arms control. -
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SALT 2
SALT II was a series of talks between United States and Soviet negotiators from 1972 to 1979 which sought to curtail the manufacture of strategic nuclear weapons. It was a continuation of the SALT I talks and was led by representatives from both countries. -
Camp David Accourd
The Camp David Accords were signed by Egyptian President Anwar El Sadat and Israeli Prime Minister Menachem Begin on 17 September 1978, following twelve days of secret negotiations at Camp David. -
Berlin Wall Fall
The Fall of the Wall. On November 9, 1989, as the Cold War began to thaw across Eastern Europe, the spokesman for East Berlin's Communist Party announced a change in his city's relations with the West. Starting at midnight that day, he said, citizens of the GDR were free to cross the country's borders. -
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Persian gulf war
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 -
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Cuban Missile Crisis
The Cuban Missile Crisis, also known as the October Crisis, the Caribbean Crisis, or the Missile Scare, was a 13-day confrontation between the United States and the Soviet Union -
NAFTA
The North American Free Trade Agreement is an agreement signed by Canada, Mexico, and the United States, creating a trilateral trade bloc in North America. The agreement came into force on January 1, 1994. -
War on Terror
The War on Terror, also known as the Global War on Terrorism, is an international military campaign that was launched by the U.S. government after the September 11 attacks in the U.S. in 2001. -
9/11
The September 11 attacks were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda on the United States on the morning of Tuesday, September 11, 2001. -
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Iraq War
The Iraq War was a protracted armed conflict that began in 2003 with the invasion of Iraq by a United States-led coalition that overthrew the government of Saddam Hussein.
