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In the US, it is the most commonly used organophosphate insecticide. [6] A malathion mixture with corn syrup was used in the 1980s in Australia and California to combat the Mediterranean fruit fly. [7] In Canada and the US starting in the early 2000s, malathion was sprayed in many cities to combat west Nile virus. [8]
This is a timeline of Vietnamese history, comprising important legal and territorial changes and political events in Vietnam and its predecessor states. To read about the background to these events, see History of Vietnam. This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. Prehistory ...
View history; Tools. Tools. move to sidebar hide. Actions Read; Edit; View history ... Timeline of early independent Vietnam; Timeline of the Lý dynasty This page ...
Operation Ranch Hand was a U.S. military operation during the Vietnam War, lasting from 1962 until 1971. Largely inspired by the British use of chemicals 2,4,5-T and 2,4-D (Agent Orange) during the Malayan Emergency in the 1950s, it was part of the overall herbicidal warfare program during the war called "Operation Trail Dust".
The country resumed DDT vector control but the mosquitoes had evolved resistance in the interim, presumably because of continued agricultural use. The program switched to malathion, but despite initial successes, malaria continued its resurgence into the 1980s. [45] [129] DDT remains on WHO's list of insecticides recommended for IRS.
Vietnam's ethnic mosaic results from the peopling process in which various peoples came and settled the territory, leading to the modern state of Vietnam by many stages, often separated by thousands of years over a duration of tens of thousands of years. Vietnam's entire history, thus, is an embroidery of polyethnicity. [17]
This is a timeline of Early Independent Vietnam, covering the period of Vietnamese history from the rise of the Tĩnh Hải circuit ruled by the Khúc clan (r. 905–923/930) to the kingdom of Đại Cồ Việt ruled by the Early Lê dynasty (980–1009).
North and South Vietnam therefore remained divided until the Vietnam War ended with the Fall of Saigon in 1975. After 1976, the newly reunified Vietnam faced many difficulties including internal repression and isolation from the international community due to the Cold War, Vietnamese invasion of Cambodia and an American economic embargo. [1]