Chronology of the record
The Global Timeline
Historical events extracted from processed episodes, ordered chronologically. Select an event to open its episode and article.
1959 · Vietnam War
The trail opens
North Vietnam begins moving supplies south along the route that becomes the Ho Chi Minh Trail.
1964 · Vietnam War
MACV-SOG established
The classified Studies and Observations Group begins cross-border operations.
1973 · Vietnam War
US withdrawal from Laos
U.S. air operations in Laos end; the trail continues operating until 1975.