War, Peace & Security Guide (Canadian Forces College)
The Military Book Review
DOD Dictionary of Military Terms
Roman Warfare (Daniel Green)
U.S. Army Center of Military History
U.S. Army Military History Institute
US Cavalry Association (many links)
Naval Historical Center (US Department of the Navy)
Dictionary of American Naval Fighting Ships
Named US Ships (includes pictures)
U.S. Marine Corps History
U.S. Air Force History
U.S. Coast Guard: Historian's Office
U.S. Merchant Marine and Maritime Service
National Maritime Historical Society
September 11 Archives (Library of Congress)
Jane's Publications
Scots at War
Canadian Military Links (Canadian Veterans Affairs)
Disguised Patriots: Women Soldiers Incognito (Ancestry.com)
Americans in the Egyptian Army, 1868-1883 (Michael Butzgy)
British Loyalists during the American Revolution
20th Century Military History Sites (Center for Life Stories Preservation)
US-Mexican War, 1846-1848 (PBS-Online)
Aztec Club of 1847 (Mexican War Military Society)
Mexican American War Memorial Homepage (Luis Fernando Granados, editor)
The Mexican War (Texas Trails)
The Treaty of Guadalupe Hidalgo (Library of Congress)
The Descendants of Mexican War Veterans
War of the Rebellion On-Line (MOA, Cornell University)
The US Civil War Center (Louisiana State University)
Civil War Maps (Library of Congress)
The Civil War (WWW-Virtual Library)
The American Civil War Home Page (by George H. Hoemann and Mary E. Myers)
Editorials On Events Preceding the Civil War (Furman University)
Causes of the Civil War (Jim Epperson)
Civil War Era Music and Poetry (Kathie Fraser)
Civil War Discussions and Conferences (H-Net)
The Spanish American War Centennial Website
The World of 1898: The Spanish American War (Library of Congress)
The US Army in the War with Spain (US Army Center of Military History)
Spanish American War History Resources
Imperialism & Spanish American War Era (Jim Zwick, Syracuse University)
Relevance: The Journal of the Great War Society (excellent links)
Art of the First World War (European museums)
The World War I Document Archive
World War I: Trenches on the Web (Mike Lavarone)
World War I Links (Yahoo!)
World War II Links (University of San Diego)
World War II Resources (The Pearl Harbor Working Group)
World War II: A People At War (NARA)
The Drop Zone Virtual Museum (WWII Oral Histories)
World War II Kansas Veterans (Spring Hill Kansas Schools)
World War II Posters (New Hampshire State Library)
Japanese American Internment: Santa Clara Valley (Erin Kimura)
Internment of San Francisco Japanese (Museum of the City of San Francisco)
Japanese American Internment Sites (Yahoo!)
World War II Internment of German Americans (Arthur D. Jacobs, Maj. USAF, Ret.)
Male Notte: The Untold Story of Italian Relocation During World War II (Geoffrey Dunn)
Una Storia Segreta: When Italian-Americans were 'Enemy Aliens' (American Italian Historical Association, Western Regional Chapter)
Korean War UN Allied Countries (Korean War Commemoration Committee)
Korean War Commemoration (US Marine Corps)
Remembering the Forgotten War (US Navy)
50th Anniversary Korean War Homepage (US Army)
Korean War (Canadian Forces College)
The Korean War
Korean War Sites (Korean War Commemoration Committee)
Remembering the Korean War: Official History (US Army Center for Military History)
50th Anniversary of the Korean War
The Korean War Project
Korean War Veterans Memorial (National Park Service)
The 38th Parallel Newletter (US Department of Defense)
Vietnam War Internet Project (compiled by John Tegtmeier)
Vietnam Yesterday and Today (Sandra M. Wittman)
Vietnam Veterans Home Page (by Bill McBride)
Vietnam War Bibliography (by Edwin E. Moïse)
Modern Terrorism (excellent links; Marilynn Larew, Towson University)
The Terrorism Research Center (note links, documents, & other entries)
History of Bioterrorism (note "Web Resources")