Unknown soldiers are not limited to just 4 wars. In every war there are going to be at least some participants whose identity is never determined. Wars are by their nature very chaotic. But as far as the United States is concerned, the most significant wars were the Revolutionary War, the Civil War, WW I, and WW II. Perhaps those are the ones you are thinking of.
First Lieutenant Michael Joseph Blassie. DNA testing identified this Vietnam Era soldier who was in the Tomb of the Unknown soldier. Other unknowns from other conflicts and wars remain unidentified.
I believe it is made up of the body parts of unidentified soldiers from different wars.
The diary entry of a soldier who fought Native Americans during the American Indian Wars
The Peloponnesian Wars.
The unknown soldier buried under the actual Tomb is from WWI. There are crypts in front of the Tomb for soldiers from WWII, Korea, and Vietnam. The unknown soldier from Vietnam was removed and identified as Michael J Blassie. He is now buried in Jefferson Barracks National Cemetery in St Louis, MO.
The Tomb of the Unknown holds three soldiers, one each from WWI, WWII and Korea. The unknown soldier from Vietnam was later identified through DNA and was removed
The Unknown Soldier. Many nations have a Tomb to The Unknown Soldier. Because the Unknown can never be identified, that soldier becomes the most honored soldier buried, representing all the unknown dead of any and all wars. Characteristic of Tombs to the Unknown is an around-the-clock Honor Guard. One of the most moving things to watch is the changing of the Guard at a Tomb to the Unknown. The guard is always mounted in any weather. There was an incident of a lightning strike close to The Tomb to the Unknown in Arlington, Virginia. The guard never turned a hair as he stood there, soaked through.Click on the related link below for a good Wikipedia article on Tombs of the Unknown.
The Tomb of the Unknown Soldier literally recognizes and honors unidentified veterans. In war (especially many years ago), sometimes the combatants cannot be identified. These people are commemorated at national monuments that are often known as the Tomb of the Unknown Soldier. There are several of these tombs throughout the world. In the United States there are three: • The Tomb of Unknowns in Arlington, Virginia • The Tomb of the Unknown Revolutionary War Soldier in Philadelphia, Pennsylvania • The Tomb of the Unknown Confederate Soldier in Biloxi, Mississippi
Named after a famous horse who fought in 3 wars!
Herodotus.
The Crusades were the holy wars fought in the Middle Ages.
No wars were fought in Utah in 1860.