Under political pressure , South Vietnamese President Nguyễn Văn Thiệu resigned Change_of_leadership on 21 April , in hopes that a new leader that was more amenable to the North Vietnamese could reopen Process_start negotiations Communication with them .

With PAVN spearheads already entering Arriving Saigon , the South Vietnamese government , then under the leadership of Dương Văn Minh , capitulated Surrendering on 30 April 1975 .

The PAVN , under the command Control of General Văn Tiến Dũng , began Process_start their final Process_end attack Attack on Saigon on April 29 , 1975 , with the Army of the Republic of Vietnam ( ARVN ) forces Hostile_encounter commanded Control by General Nguyễn Văn Toàn suffering Bodily_harm a heavy artillery bombardment Attack .

The PAVN , under the command Control of General Văn Tiến Dũng , began Process_start their final Process_end attack Attack on Saigon on April 29 , 1975 , with the Army of the Republic of Vietnam ( ARVN ) forces Hostile_encounter commanded Control by General Nguyễn Văn Toàn suffering Bodily_harm a heavy artillery bombardment Attack .

Before dawn on January 30 , 1964 , General Nguyễn Khánh ousted Change_of_leadership the military junta led by General Dương Văn Minh from the leadership of South Vietnam without firing a shot .

The coup was bloodless and took Conquering less than a few hours—after power had been seized Hold Minh 's aide and bodyguard , Major Nguyễn Văn Nhung was arrested Process_end and summarily executed .

Khánh , who had played a minor role in Diệm 's overthrow Change_of_leadership , joined Connect forces with Generals Trần Thiện Khiêm , Nguyễn Văn Thiệu , who felt Change_sentiment they deserved better posts in the junta , and Colonels Nguyễn Chánh Thi and Đỗ Mậu , the latter being the director of military security under Diệm and an effective strategist .

During the three months of his rule , Minh , his civilian Prime Minister Nguyễn Ngọc Thơ , and his leading military colleagues , Generals Trần Văn Đôn and Lê Văn Kim , attempted Hold to defeat Conquering the National Liberation Front ( Viet Cong ) non-militarily .

During the three months of his rule , Minh , his civilian Prime Minister Nguyễn Ngọc Thơ , and his leading military colleagues , Generals Trần Văn Đôn and Lê Văn Kim , attempted Hold to defeat Conquering the National Liberation Front ( Viet Cong ) non-militarily .