Phạm Văn Đồng
On August 1, 1973, Singapore established diplomatic relations with North Vietnam. In 1975, the Fall of Saigon marked the unification of Vietnam. Singapore started to improve its relations with the Socialist Republic of Vietnam. In October 1978, Phạm Văn Đồng, the Prime Minister of Vietnam, visited Singapore and became the first Prime Minister of Vietnam to visit Singapore after unification.