| 11 December 1961 |
Vietnam
|
Vietnam war
|
U.S. helicopter units arrive in South Vietnam
|
| 22 November 1961 |
Vietnam
|
Vietnam war
|
Kennedy authorizes expanded U.S. military support
|
| 10 August 1961 |
Vietnam
|
Vietnam war
|
First U.S. defoliation mission in Vietnam
|
| 20 December 1960 |
Vietnam
|
Vietnam war
|
National Liberation Front formed in South Vietnam
|
| 11 November 1960 |
Vietnam
|
Vietnam war
|
Dissident paratroopers launch a failed coup against Diệm
|
| 20 October 1960 |
Vietnam
|
Vietnam war
|
Uprisings spread among Central Highlands communities
|
| 17 January 1960 |
Vietnam
|
Vietnam war
|
Đồng Khởi uprising begins in Bến Tre
|
| 28 August 1959 |
Vietnam
|
Vietnam war
|
Trà Bồng uprising breaks out in Quảng Ngãi
|
| 8 July 1959 |
Vietnam
|
Vietnam war
|
Attack at Biên Hòa kills two U.S. servicemen
|
| 19 May 1959 |
Vietnam
|
Vietnam war
|
Group 559 begins organizing the Hồ Chí Minh Trail
|
| 6 May 1959 |
Vietnam
|
Vietnam war
|
South Vietnam promulgates Law 10/59
|
| 13 January 1959 |
Vietnam
|
Vietnam war
|
Party Resolution 15 endorses armed struggle in the South
|
| 20 December 1956 |
Vietnam
|
Vietnam war
|
Prime minister issues plan to correct land-reform errors
|
| 20 July 1956 |
Vietnam
|
Vietnam war
|
Geneva election deadline passes without nationwide vote
|
| 28 April 1956 |
Vietnam
|
Vietnam war
|
French Expeditionary Corps high command is dissolved
|
