United States History
- The American Presidency Project
- Ad*Access
- American Folklife Center
- American Memory
- American Presidency
- American Treasures of the Library of Congress
- Archiving Early America
- Biographical Directory of the United States Congress, 1774-Present
- Civil War Primary Sources
- Digital History
- From Revolution to Reconstruction
- Slavery In America
Recent US History
- The American Presidency Project
- Civil Rights.org
- Cold War International History Project
- Harvard Project on Cold War Studies
- National Security Archive
- Sixties Project
- US Department of State
World History
- Churchill Archive
- Ancient City of Athens
- History World
- International World History Project
- Internet Ancient History Sourcebook
- Perseus Digital Library
- EESweb
- Renaissance
- Victorian Research Web
- WESSweb
- World History Compass
- World Statesman
Mexican American War – 1846-1848
- History.com
- National Park Service
- Britannia
- Constitution Center
- Timeline – Mexican History
- American GI Museum
- Photos – Getty Images
American Revolutionary War – 1775-1783
- History.com
- American Battlefield Trust
- Britannia
- Timeline – US History
- Museum of the American Revolutionary
- Photos – Getty Images
War of 1812 – 1812–1815
- History.com
- American Battlefield Trust
- Britannia
- Smithsonian
- Timeline – National Society United States Daughters of 1812
- War of 1812 Museum
- Photos – Getty Images
The American Civil War – 1861-1865
- History.com
- American Battlefield Trust
- Britannia
- History.net
- Timeline – National Park Service
- American Civil War Museum
- Photos – Getty Images
Spanish–American War -1898
- History.com
- Timeline – Britannia
- Library of Congress
- Spanish American War – Records
- National Museum of the U.S. Navy
- The Spanish American War Museum and Archives
- Photos – Getty Images
World War I – 1914-1918
- World War I Document Archive
- World War I Documents
- World War I – Fordham Collection
- World War I – British Library Collection
- World War I – BBC
- Digital History World War I
- History.com
- Britannia
- World War I Centennial
- Timeline – Library of Congress
- The Atlantic – Photos
- The National World War I Museum
- Photos – Getty Images
World War II – 1939-1945
- World War II Documents – Yale Project
- Digital History World War II
- Imperial War Museum – WW 2 Collection
- History.com
- Britannia
- Digital History
- US History
- Timeline – PBS.org
- The National WWII Museum
- Photos – Getty Images
Cold War – 1947–1991
- History.com
- Britannia
- Military History
- John F. Kennedy – Presidential Library and Museum
- Photos – Getty Images
Korean War – 1950–1953
Vietnam War – 1955-1975
- History.com
- Britannia
- Digital History
- US History
- The National Vietnam Museum
- Vietnam War Overview – 1945-1975
- Timeline – PBS.org
- Photos – Getty Images
Desert Shield/Desert Storm 1990 – 1991
- Britannia
- Military.com
- Naval History and Heritage Command
- U.S. Army Center of Military History
- U.S. Dept. of Defense
- Photos – Getty Images
Iraq War – 2003-2011
- History.com
- Britannia
- Council on Foreign Relations – Timeline
- National Army Museum
- Photos – Getty Images
- The U.S. Army in the Iraq War – Volume 1: Invasion – Insurgency – Civil War, 2003-2006
Chart of Wars With American Involvement – From Thought.com
In addition to the following named wars and conflicts, members of the American military (and some civilians) have played small but active roles in many other international conflicts over the years.
| Dates | War in Which American Colonists or United States Citizens Officially Participated | Major Combatants |
|---|---|---|
| July 4, 1675– August 12, 1676 | King Philip’s War | New England Colonies vs. Wampanoag, Narragansett, and Nipmuck peoples |
| 1689–1697 | King William’s War | The English Colonies vs. France |
| 1702–1713 | Queen Anne’s War (War of Spanish Succession) | The English Colonies vs. France |
| 1744–1748 | King George’s War (War of Austrian Succession) | The French Colonies vs. Great Britain |
| 1756–1763 | French and Indian War (Seven Years War) | The French Colonies vs. Great Britain |
| 1759–1761 | Cherokee War | English Colonists vs. Cherokee Nation |
| 1775–1783 | American Revolution | English Colonists vs. Great Britain |
| 1798–1800 | Franco-American Naval War | United States vs. France |
| 1801–1805; 1815 | Barbary Wars | United States vs. Morocco, Algiers, Tunis, and Tripoli |
| 1812–1815 | War of 1812 | United States vs. Great Britain |
| 1813–1814 | Creek War | United States vs. Creek Nation |
| 1836 | War of Texas Independence | Texas vs. Mexico |
| 1846–1848 | Mexican-American War | United States vs. Mexico |
| 1861–1865 | U.S. Civil War | Union vs. Confederacy |
| 1898 | Spanish-American War | United States vs. Spain |
| 1914–1918 | World War I | Triple Alliance: Germany, Italy, and Austria-Hungary vs. Triple Entente: Britain, France, and Russia. The United States joined on the side of the Triple Entente in 1917 |
| 1939-1945 | World War II | Axis Powers: Germany, Italy, Japan vs. Major Allied Powers: United States, Great Britain, France, and Russia |
| 1950–1953 | Korean War | United States (as part of the United Nations) and South Korea vs. North Korea and Communist China |
| 1960–1975 | Vietnam War | United States and South Vietnam vs. North Vietnam |
| 1961 | Bay of Pigs Invasion | United States vs. Cuba |
| 1983 | Grenada | United States intervention |
| 1989 | U.S. Invasion of Panama | United States vs. Panama |
| 1990–1991 | Persian Gulf War | United States and Coalition Forces vs. Iraq |
| 1995–1996 | Intervention in Bosnia and Herzegovina | United States as part of NATO acted as peacekeepers in former Yugoslavia |
| 2001–present | Invasion of Afghanistan | United States and Coalition Forces vs. the Taliban regime in Afghanistan to fight terrorism |
| 2003–2011 | Invasion of Iraq | United States and Coalition Forces vs. Iraq |
| 2004–present | War in Northwest Pakistan | United States vs. Pakistan, mainly drone attacks |
| 2007–present | Somalia and Northeastern Kenya | United States and Coalition forces vs. al-Shabaab militants |
| 2009–2016 | Operation Ocean Shield (Indian Ocean) | NATO allies vs. Somali Pirates |
| 2011 | Intervention in Libya | U.S. and NATO allies vs. Libya |
| 2011–2017 | Lord’s Resistance Army | U.S. and allies against the Lord’s Resistance Army in Uganda |
| 2014–2017 | U.S.-led Intervention in Iraq | U.S. and coalition forces against the Islamic State of Iraq and Syria |
| 2014–present | U.S.-led intervention in Syria | U.S. and coalition forces against al-Qaeda, ISIS, and Syria |
| 2015–present | Yemeni Civil War | Saudi-led coalition and U.S., France, and Kingdom against the Houthi rebels, Supreme Political Council in Yemen, and allies |
| 2015–present | U.S. intervention in Libya | U.S. and Libya against ISIS |