Timeline
Timeline of Major Events, National Policies, and Establishment of Government Agencies Involved in U.S. National Security 1790—August 4 1791—December 15 1815—September 26 1819—February 22 1848—February 1863 1886—May 4 1898—April–August 1899 1904—May 1906 1906—June–August 1909—December 4–February 26 1914—June 28 1917—April 6 1917—May 18 1917—November 2 1918—October 1920—January 10 1920—September 16 1922—February 6 1923 U.S. Coast Guard founded as part of Department of the Treasury Adoption of the U.S. Bill of Rights Holy Alliance established among Holy Roman Empire, Prussia, and Russia Spain cedes Florida to United States in Transcontinental Treaty Treaty of Guadalupe Hidalgo First Geneva Convention Haymarket Bombing, one of the worst domestic terrorist attacks in U.S. history Spanish-American War First Hague Convention Theodore Roosevelt articulates his Roosevelt Corollary to the Monroe Doctrine Second Geneva Convention Second Hague Peace Conference First London Naval Conference Assassination of Austrian Archduke Franz Ferdinand is the spark that ignites World War I United States enters World War I President Woodrow Wilson signs draft law to enlist soldiers for World War I Balfour Declaration Native American codetalkers first employed during World War I League of Nations convenes for first time Terrorist bombing of Wall Street in New York City Washington Naval Treaty signed by the United States, Great Britain, Japan, France, and Italy Interpol founded
Gas Protocol signed by many nations Kellogg-Briand Pact signed in Paris Third Geneva Convention Second London Naval Conference Creation of House Un-American Activities Committee (HUAC) Soviet Union and Nazi Germany sign nonaggression pact Nazi forces launch blitzkrieg against Poland, marking the official start of World War II Neutrality Act France falls to Nazi Germany First peacetime draft takes place in the United States U.S. Congress passes Lend-Lease Act Creation of the Foreign Information Service (FIS) by President Franklin D. Roosevelt Atlantic Charter signed by Winston Churchill and Franklin D. Roosevelt Manhattan Project launched to produce atomic bomb Civil Air Patrol founded by Mayor Fiorello La Guardia of New York Japanese attack Pearl Harbor, bringing the United States into World War II Executive order allowing for internment of Japanese Americans in the United States Bretton Woods Conference held in New Hampshire Allied forces launch the D-Day invasion of France Battle of the Bulge, World War II Allies begin bombing Dresden, Germany Yalta Conference of the Big Three—Franklin Roosevelt, Winston Churchill, and Joseph Stalin German forces officially surrender, ending the European phase of World War II Formation of the United Nations Successful atomic bomb test at Trinity test site in New Mexico United States drops atomic bomb on Japanese city of Hiroshima United States drops atomic bomb on Japanese city of Nagasaki Japan surrenders unconditionally to the United States, ending World War II Ratification of the United Nations Charter Winston Churchill gives “Iron Curtain” speech National Security Committee established as part of Legislative Reorganization Act Announcement of the European Recovery Program, better known as the Marshall Plan
National Security Act United States and 19 Latin American countries sign the Rio Pact Creation of General Agreement of Tariffs and Trade (GATT) President Harry S. Truman signs the Marshall Plan into law Start of Berlin airlift UN General Assembly adopts Convention on the Prevention and Punishment of the Crime of Genocide Camp David Accords signed by Israel and Palestinians North Atlantic Treaty establishes the North Atlantic Treaty Organization (NATO) Fourth Geneva Convention Soviet Union ends blockade of Berlin Formation of the communist People’s Republic of China Chinese Communist Party takes control in China North Korean troops attack South Korea, beginning the Korean War Radio Free Europe begins broadcasting to Eastern Europe Australia, New Zealand, United States Security Treaty (ANZUS) established Cease-fire in Korea Demilitarized zone (DMZ) established in Korea along the 38th parallel Mutual Defense Treaty signed between United States and Republic of Korea Dwight D. Eisenhower presents Atoms for Peace speech at the United Nations United States detonates hydrogen bomb on Bikini atoll in the Pacific Dwight D. Eisenhower first articulates the domino theory Vietnam and France sign the Geneva Peace Accord Formation of the Southeast Asian Treaty Organization (SEATO) Formation of the Warsaw Pact in Eastern Europe Egypt nationalizes the Suez Canal Revolt in Hungary Great Britain and Israel attack Egypt, initiating the Suez War Cease-fire in the Suez War Dwight D. Eisenhower proposes Eisenhower Doctrine Establishment of the European Economic Community (EEC) International Atomic Energy Agency (IAEA) founded Soviet Union launches Sputnik 1, the first satellite to reach outer space
Gaither Report presents proposals to narrow the missile gap between the United States and Soviet Union First U.S. satellite, Explorer I, sent into orbit around the earth U.S. Congress passes Defense Reorganization Act National Defense Education Act (NDEA) Formation of the Organization of Petroleum Exporting Countries (OPEC) U.S. spy plane piloted by Francis Gary Powers shot down by Soviets over Soviet territory John F. Kennedy launches Alliance for Progress program Cuban exiles begin so-called Bay of Pigs invasion East German government begins building a wall between East and West Berlin Creation of the U.S. Agency for International Development (USAID) Cuban Missile Crisis Limited Test Ban Treaty signed in Moscow U.S. Congress passes the Gulf of Tonkin Resolution Great Proletarian Cultural Revolution begins in China Israel attacks Egypt, precipitating the Six-Day War Association of Southeast Asian Nations (ASEAN) established North Korea seizes U.S. intelligence ship, the Pueblo Tet Offensive launched by North Vietnamese against South Vietnam U.S. places first humans on the moon with the Apollo 11 flight Racketeer Influenced and Corruption Organized Act (RICO) Nuclear Non-Proliferation Treaty entered into force Shootings of students at Kent State University by Ohio National Guard troops Congress repeals Tonkin Gulf Resolution New York Times begins to publish the Pentagon Papers Richard Nixon and Zhou Enlai sign U.S.-China joint communiqué Biological Weapons Convention goes into effect Moscow Summit between United States and Soviet Union United States and Soviet Union sign the Antiballistic Missile (ABM) Treaty North Vietnam and South Vietnam sign peace agreement ending the war Conscription (the draft) ends in the United States OPEC nations impose production restraints and an embargo on the United States Egypt and Syria launch surprise attack on Israel, beginning the Yom Kippur War
Congress passes the War Powers Act Cambodian gunboats seize the Mayaquez, a U.S. merchant vessel National Defense University formed from the National War College and the Industrial College of the Armed Forces U.S. Congress establishes Department of Energy First attack of the Unabomber, Theodore Kaczynski President Jimmy Carter signs the Taiwan Relations Act United States and Soviet Union sign the SALT II Treaty Iranian hostage crisis begins with seizure of U.S. embassy in Tehran Operation Desert One, attempt to free U.S. hostages in Iran End of Iranian hostage crisis, with release of the hostages President Ronald Reagan announces his Strategic Defense Initiative U.S. forces invade Caribbean island of Grenada United States launches bombing raid against Libyan cities of Tripoli and Benghazi Summit meeting in Reykjavik, Iceland, between the United States and Soviet Union Goldwater-Nichols Department of Defense Reorganization Act United States invades Panama and captures Manuel Noriega Televised hearings on the Iran-Contra affair Founding of radical Islamic organization Hamas Intermediate-Range Nuclear Forces (INF) Treaty signed by Reagan and Gorbachev Iraq invades and seizes neighboring nation of Kuwait People of East and West Germany vote to reunite their countries Defense Closure and Realignment Act Conventional Forces in Europe Treaty signed by NATO and Warsaw Pact members Charter of Paris for a New Europe signed by various European nations United Nations authorizes use of force against Iraq after Iraqi invasion of Kuwait U.S. Congress authorizes use of force against Iraq Beginning of Operation Desert Storm, offensive against Iraq in first Gulf War Beginning of Operation Desert Sabre, the ground invasion of Kuwait Founding of Mercosur, the so-called Southern Common Market Break up of the former Warsaw Pact Attempted coup by communist hardliners against Mikhail Gorbachev and Soviet government Collapse of the Soviet Union
National Security Education Act passed by Congress Maastricht Treaty establishes the European Union (EU) Soviet Union is officially dissolved and broken up into separate republics United States and Russia sign the Open Skies Treaty United Nations authorizes sending of humanitarian aid to Bosnia FBI siege of white separatists at Ruby Ridge, Idaho United States and Russia sign the Strategic Arms Reduction Treaty (START II) Terrorist bombing of the World Trade Center in New York City Bureau of Alcohol, Tobacco and Firearms launches Operation Trojan Horse against Branch Davidians in Waco, Texas Israel and the PLO sign the Oslo Accords Start of the Battle of Mogadishu in Somalia North American Free Trade Agreement (NAFTA) takes effect Agreed Framework signed by United States and North Korea Creation of World Trade Organization (WTO) Japanese cult, Aum Shinrikyo, releases deadly sarin gas in Tokyo subway Oklahoma City bombing of the Murrah Federal Building Signing of Dayton Accords by Serbia, Bosnia, and Croatia Terrorist attack on Al-Khobar complex housing U.S. forces in Dhahran Taliban seizes power in Afghanistan Signing of the Comprehensive Test Ban Treaty Chemical Weapons Convention entered into force Rome Statute creates the International Criminal Court Terrorist bombings of U.S. embassies in Kenya and Tanzania Defense Threat Reduction Agency established Ottawa Treaty outlaws land mines Establishment of the UN Monitoring, Verification and Inspection Commission (UNMOVIC) Terrorist bombing of USS Cole at the port of Aden, Yemen Congress passes the Freedom of Information Act (FOIA) Terrorist attacks against World Trade Center and the Pentagon United States begins bombing campaign against the Taliban in Afghanistan Homeland Security Council established by executive order George W. Bush signs USA PATRIOT Act into law
George W. Bush refers to “axis of evil” in state of the union address Adoption of Homeland Security Advisory System Strategic Offensive Reductions Treaty (SORT) signed by United States and Russia Terrorist bomb explodes on island of Bali U.S. Congress passes Homeland Security Act U.S. Department of Homeland Security begins operation United States begins air strikes against Iraq in Iraq War of 2003 George W. Bush proclaims end to major combat operations in Iraq