The Vientiane Agreement of 1973 was a peace agreement that was signed in Vientiane, Laos, on February 21, 1973, between the government of Laos and the Pathet Lao, which was the Lao People`s Liberation Army.

The agreement ended the Laotian Civil War, which had been raging since 1953, and resulted in the establishment of a coalition government, with the Pathet Lao being given a role in the administration. The agreement also provided for the withdrawal of all foreign troops from Laos, including those from the United States, whose involvement in the conflict had been extensive.

The Vientiane Agreement was a significant milestone in the history of Laos, as it brought an end to a long period of conflict and instability. It also paved the way for the establishment of a government that represented all sections of the Laos population and provided for the protection of human rights.

The agreement was welcomed by the international community and was seen as a positive example of how the peaceful resolution of conflicts could be achieved through negotiation and compromise. It also set a precedent for other conflicts in the region, such as those in Cambodia and Vietnam.

Despite its importance, the Vientiane Agreement did not bring about a lasting peace in Laos. The coalition government established under the agreement was short-lived, and the country was soon engulfed in political and economic turmoil. In 1975, the Pathet Lao overthrew the government and established a one-party communist state, which continues to rule Laos to this day.

Nevertheless, the Vientiane Agreement remains a significant event in the history of Laos and Southeast Asia as a whole. Its legacy is a reminder of the power of dialogue and negotiation in resolving conflicts and of the importance of promoting human rights and democracy in the region.