During the Vietnam War, between 1962 and 1971, the United States military sprayed nearly of material containing chemical herbicides and defoliants mixed with jet fuel in Vietnam, eastern Laos and parts of Cambodia, as part of Operation Ranch Hand.

During the Vietnam War, between 1962 and 1971, the United States military sprayed nearly of chemical herbicides and defoliants in Vietnam, eastern Laos and parts of Cambodia, as part of the aerial defoliation program known as Operation Ranch Hand.

During this period, he pioneered the policy of détente with the Soviet Union, orchestrated the opening of relations with the People's Republic of China, and negotiated the Paris Peace Accords, ending American involvement in the Vietnam War.

During Holt's term in office, the Vietnam War was the dominant foreign policy issue.

During the Vietnam War, he received six student draft deferments and one occupational deferment because of his teaching work.

During the 1970s, he became a Hollywood star with his portrayals of a businessman mixed up with murder in Deliverance ( 1972 ), a paraplegic Vietnam veteran in Coming Home ( 1978 ), for which he won an Academy Award for Best Actor, and a penniless ex-boxing champion in The Champ ( 1979 ).

During the late 1960s and early 1970s, the university was known internationally for its student activism in opposition to US involvement in the Vietnam war, due mainly to the events of May 4, 1970.

During the Vietnam War soldiers waiting to go on patrol would sometimes spend their leisure time playing cards.

* During the war between the United States and North Vietnam, Vice President Spiro Agnew accused newspapers of anti-American bias, and in a famous speech delivered in San Diego in 1970, called anti-war protesters " the nattering nabobs of negativism.

During the Vietnam War, Carlos Hathcock set the record for a long-distance shot at 7382 ft ( 2250 m ) with a. 50 caliber heavy machine gun he had equipped with a telescopic sight.

During the Vietnam War, Korean War, and World War II, the Purple Heart was often awarded on the spot, with occasional entries made into service records, but this was often not the case.

During the Vietnam War the battles of Dien Bien Phu ( 1954 ) and Khe Sanh ( 1968 ) possessed siege-like characteristics.

During the Vietnam War Era, Turner ’ s business prospered ; it “ had virtual monopolies in Savannah, Macon, Columbus, and Charleston ” and was “ the largest outdoor advertising company in the Southeast ,” according to " It Ain ’ t As Easy As It Looks ".

During the 1960s, there were numerous protests against the Vietnam War and related to other issues at the U-M. On March 24, 1965, a group of U-M faculty members and 3, 000 students held the nation's first ever faculty-led " teach-in " to protest against American policy in Southeast Asia.

During the 1990s, Vietnam began to reclaim land for forests with a tree-planting program.

During the Vietnam War ( 1959 – 75 ), North Vietnam balanced relations with its two major allies, the Soviet Union and the People's Republic of China.

During the Vietnam era, more than 30, 000 Canadians served in the US armed forces ; 110 Canadians died in Vietnam and seven are listed as missing in action.

During the 1980s and 1990s, Oliver Stone did a trilogy of Vietnam War films:

During Lennon's last two years in The Beatles, he and Ono began public protests against the Vietnam War.

During the Vietnam War era, the Chicago Eight used a political defense, while Benjamin Spock used a technical defense.

During this time, generally classed as Pueblo II Era, the climate was relatively warm and rainfall mostly adequate.

During the Prohibition Era, Capone controlled large portions of the Chicago underworld, which provided The Outfit with an estimated US $ 100 million per year in revenue.

During this so-called Republican Era, many features of a modern, functional Chinese state emerged and developed.

During the McCarthy Era in 1947, when US Senator Joseph McCarthy of Wisconsin claimed that the federal government and other institutions were riddled with Communists, the US House began hearings about purported communist influence in Hollywood.

During the Era of Silence political parties were banned and the parliament was not in session between 1934 and 1938 as the country was ruled by decree by Konstantin Päts, who was elected as the first President of Estonia in 1938.

During this period, the Era of the Northern and Southern Courts, because of the antagonism between the two competing dynasties, public order in Kyoto was disturbed.

During the reign of the July Monarchy, the Romantic Era was starting to bloom.

During the Meiji Era, China was one of the first countries to feel Japanese Imperialism.

During the Tulip Era ( 1718 – 1730 ), named for Sultan Ahmed III's love of the tulip flower and its use to symbolize his peaceful reign, the Empire's policy towards Europe underwent a shift.

During the Era of Silence, political parties were banned and the parliament was not in session between 1934 and 1938 as the country was ruled by decree by Konstantin Päts.

“ Individual Experience, Community Control, and Gender: The Harvard Shaker Community During the Era of Manifestations ,” Communal Societies 13 ( 1993 ): 45 – 70.

During the Dutch Golden Era, Leiden was the second largest city of Holland, after Amsterdam.

* U. S. Centennial of Flight Commission: " Military Use of Balloons During the Napoleonic Era ".

During the first two centuries of the Common Era, an entire series of magical texts were written in what scholars term Old Coptic, Egyptian language texts written in the Greek alphabet.

During the first two years of the Open Era a large number of male players began playing professionally, and the tournaments in which they competed, often men's and women's combined events, attracted increased investment.

During the Roman Era it was the major mouth of the Scheldt River.

Sherman's March: A Meditation on the Possibility of Romantic Love In the South During an Era of Nuclear Weapons Proliferation is a 1986 documentary film written and directed by Ross McElwee.

* Thorndike, Lynn, A History of Magic and Experimental Science: During the First Thirteen Centuries of Our Era, Volume II, pp. 236 – 245, Columbia University Press, 1923, New York and London, Hardcover, 1036 pages ISBN 0-231-08795-0

During Virginia's Colonial Era, the area which later became Mathews County was a portion of Gloucester County.

During the Cenozoic Era, volcanic activity and extensive lava flows in the region dramatically changed the landscape.

During the Progressive Era ( 1890s – 1920s ), Presidents Theodore Roosevelt, William Howard Taft, and Woodrow Wilson instituted regulation on parts of the American economy, most notably in regulating big business and industry.

During the McCarthy Era, Losey was named during hearings of the HUAC for his supposed ties with the Communist Party.

During the Meiji Era, three men became pioneers in collecting ningya, Kurihara Sokosut ( 1851-113 ), Nishizawa, Senko ( 1864 – 1914 ), and Tsuboi Shogoro ( 1863 – 1913 ).