10 April 1975

Two Cambodian soldiers carry a wounded comrade past a machine gunner’s post north of PhnomPenh, Cambodia, © Khuong, @AP_Images https://t.co/kzpipL5M2w

President Lon Nol has decided to leave Cambodia to better the chances for U.S. aid and successful peace negotiations. The Khmer Rouge had promised to execute him if captured when PhnomPenh inevitably falls, as government positions continue to crumble. © Neal Ulevich, @AP_Images https://t.co/8lXKxT8TlP

As the Khmer Rouge forces surround the capital PhnomPenh,Cambodia, soldiers play chess during a break. onthisdayinhistory © Francoise Demulder, @AFPphoto https://t.co/CZM8C4Smow

A refugee in Bek Chan, 23 kilometers from Phnom Penh,Cambodia as the Khmer Rouge surround the capital. onthisday © Francoise Demulder, @AFPphoto https://t.co/fkuACox0I6