From its bloody beginnings in Lexington and Concord, America has seen its share of war. Americans have laid down their lives in almost constant conflicts ranging from conquests of Native Americans to limited interventions to full-scale invasions spurred by formal declarations of war.

The Congressional Research Service provided information for all conflicts prior to Afghanistan. The Washington Post provided information about the two latest conflicts.

Below is a list of casualties from major wars in which America has participated:

1. Revolutionary War (1775-1783)

Total deaths: 4,435

Army: 4,044
Navy: 342
Marines: 49

2. War of 1812 (1812-1815)

Total deaths: 2,260

Army: 1,950
Navy: 265
Marines: 45

3. Mexican War

Total deaths: 13,283

Army: 13,271
Navy: 1
Marines: 11

4. Civil War (1861-1865)

-Note: only statistics on Union dead were available, although estimates place total Confederate combat deaths around 130,000

Total deaths: 364,511

Army: 359,528
Navy: 4,523
Marines: 460

5. Spanish-American War (1898-1901)

Total deaths: 2,446

Army: 2,430
Navy: 10
Marines: 6

6. World War I (1917-198)

Total deaths: 116,516

Army: 106,378
Navy: 7,287
Marines: 2,851

7. World War II (1941-1946)

Total deaths: 405,399

Army: 318,274
Navy: 62,614
Marines: 24,511

8. Korean War (1950-1953)

Total deaths: 36,574

Army: 29,856
Navy: 657
Marines: 4,509
Air Force: 1,552

9. Vietnam War (1964-1973)

Total deaths: 58,220

Army: 38,224
Navy: 2,566
Marines: 14,844
Air Force: 2,586

10. Persian Gulf War (1990-1991)

Total Deaths: 383

Army: 224
Nav: 55
Marines: 68
Air Force: 35

11. Operation Enduring Freedom (Afghanistan -- 2001-present)

Total deaths: 1,571

12. Operation Iraqi Freedom (2003-present)

Total deaths: 4,442