Following are circles of latitude between the 15th parallel north and the 20th parallel north:
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👉 17th parallel north in the context of Vietnam War
The Vietnam War (1 November 1955 – 30 April 1975) was an armed conflict in Vietnam, Laos, and Cambodia fought between North Vietnam (Democratic Republic of Vietnam) and South Vietnam (Republic of Vietnam) and their allies. North Vietnam was supported by the Soviet Union and China, while South Vietnam was supported by the United States and other anti-communist nations. The conflict was the second of the Indochina wars and a proxy war of the Cold War between the Soviet Union and US. The Vietnam War was one of the postcolonial wars of national liberation, a theater in the Cold War, and a civil war, with civil warfare a defining feature from the outset. Direct US military involvement escalated from 1965 until its withdrawal in 1973. The fighting spilled into the Laotian and Cambodian Civil Wars, which ended with all three countries becoming communist in 1975.
After the defeat of the French Union in the First Indochina War that began in 1946, Vietnam gained independence in the 1954 Geneva Conference but was divided in two at the 17th parallel: the Viet Minh, led by Ho Chi Minh, took control of North Vietnam, while the US assumed financial and military support for South Vietnam, led by Ngo Dinh Diem. The North Vietnamese supplied and directed the Viet Cong (VC), a common front of dissidents in the south which intensified a guerrilla war from 1957. In 1958, North Vietnam invaded Laos, establishing the Ho Chi Minh trail to supply the VC. By 1963, the north had covertly sent 40,000 soldiers of its People's Army of Vietnam (PAVN), armed with Soviet and Chinese weapons, to fight in the insurgency in the south. President John F. Kennedy increased US involvement from 900 military advisors in 1960 to 16,000 in 1963 and sent more aid to the Army of the Republic of Vietnam (ARVN), which failed to produce results. In 1963, Diem was killed in a US-backed military coup, which added to the south's instability.
In this Dossier
17th parallel north in the context of North Vietnamese invasion of Laos
North Vietnam supported the Pathet Lao to fight against the Kingdom of Laos between 1958 and 1959. Control over Laos allowed for the eventual construction of the Ho Chi Minh Trail that would serve as the main supply route for enhanced NLF (the National Liberation Front, the Viet Cong) and NVA (North Vietnamese Army) activities in the Republic of Vietnam. As such, the support for Pathet Lao to fight against the Kingdom of Laos by North Vietnam would prove decisive in the eventual communist victory over South Vietnam in 1975 as the South Vietnamese and American forces could have prevented any NVA and NLF deployment and resupply if these only happened over the 17th Parallel, also known as the Demilitarized Zone (DMZ), a narrow strip of land between North and South Vietnam that was closely guarded by both sides. It also helped the Pathet Lao win against the Kingdom of Laos, even though the Kingdom of Laos had American support.
17th parallel north in the context of Aïr Mountains
The Aïr Mountains or Aïr Massif (Tamajăq: Ayǝr; Hausa: Eastern Azbin, Western Abzin) is a triangular massif, located in northern Niger, within the Sahara. Part of the West Saharan montane xeric woodlands ecoregion, they rise to more than 1,800 m (5,900 ft) and extend over 84,000 km (32,000 sq mi). Lying in the midst of desert north of the 17th parallel, the Aïr plateau, with an average altitude between 500 and 900 m (1,600 and 3,000 ft), forms an island of Sahel climate which supports a wide variety of life, many pastoral and farming communities, and dramatic geological and archaeological sites. There are notable archaeological excavations in the region that illustrate the prehistoric past of this region. The endangered African wild dog (Lycaon pictus) once existed in this region, but may now be extirpated due to human population pressures in this region.