I think it is the present Afghanistan War (8 years to this day-Oct. 7, 2001- Oct. 7, 2009).
The Frontier Wars beginning in 1620 ending with the Battle at Wounded Knee in 1890.
Second world war
The French and Indian War was the longest US war before 1850.The longest US war in history was the Vietnam War.
The US has been fighting in Afghanistan longer it was fighting in Vietnam. It is the longest war in US history.
The U.S. declared War on Terrorists.
The war on drugs
The longest war the United States ever entered was the Vietnam War.
mackinac bridge
As of June 7, 2010, the Afghanistan is officially the longest war in American history. It began October 7, 2001 and has not ended yet. Before that, the Vietnam war was the longest war in American history. It lasted 103 months. Others claim the Korean War is the longest because it never officially ended, we only signed a cease fire with them.
what is the counseling profession that has the longest history of licensure and regulation in the united states
Viet Nam 1961-1975
Mississippi river
Vietnam
Rio grande