April 21, 1975 – Imminent Implosion In South Vietnam – Thieu Resigns – Saigon Surrounded
– April 21, 1975 – Thieu Resigns – NBC Radio – Gordon Skene Sound Collection – With the collapse of South Vietnam only a matter of time this April in 1975, word came on the 21st of the resignation of South Vietnamese President Nguyen van Thieu, citing anger and bitterness