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

Unloading and carrying their weapons from a ferry, Cambodian troops arrive at the Phnom Penh side of the Mekong River in Cambodia onthisdayinhistory© Jess Tan, @AP_Images https://t.co/PBqHn0NsKU Government soldiers arrive by ferry boat at a PhnomPenh dock on the Mekong River in Cambodia. OnThisDay © Jess Tan, @AP_Images https://t.co/mFrYaXH0Pj .@UN-Secretary General Waldheim admits failure in brokering peace between the US backed Lon Nol government and the Prince Sihanouk backed Khmer Rouge. China, Algeria and Yuguslavia failed in their campaign at the UN General Assembly to have the Prince recognized as leader. https://t.co/p9v95r5NzR Children recycle rocket shells in Tuol Leap, near PhnomPenh, as Khmer Rouge forces surround the capital. As embassies…

A Cambodian man carries a woman, wounded by Khmer Rouge rocket attacks in the streets of PhnomPenh, Cambodia. onthisdayinhistory © Francoise Demulder, @AFPphoto https://t.co/vA8Gc12TCl A truck convoy of government soldiers passes through Phnom Penh, Cambodia on its way to reinforce the frontline. OnThisDay © Jess Tan, @AP_Images https://t.co/RYy8OLsOIz

As the Khmer Rouge increase preassure on the airport, one Bird Air crew member resigned: “I had been forced to change tires on the plane amid exploding rockets” Bird Air’s president said he would only suspend operations if one of his pilots were killed. https://t.co/TCNVbTx6Un Supply airlifts were contracted out by the USgovernment. @usairforce supplied C‐130 cargo planes and fuel, and paid Bird Air $1.7 million to furnish five six‐man crews from 09/74 till June 1975. That way Bird Air was responsable for all casualities. https://t.co/TX8f2mFNXg Cambodian government soldiers carry rifles and other necessities, including a bag of rice and chickens, to a helicopter pick-up point from which they will…

An injured woman is carried out after she was hit by a rocket that landed in Wat Botum compound, a pagoda complex near Prime Minister Long Boret’s house in PhnomPenh, Cambodia © Tea Kim Heang, @AP_Images https://t.co/NqByxgNXE3 A woman carries her property on her head as she flees the fighting in PhnomPenh, Cambodia. © Francoise Demulder, @AFPphoto https://t.co/OZzY2bLtvk Cambodian artillerymen fire their 105mm howitzers in support of infantrymen trying to root out Khmer Rouge rocket sites that have been firing on PhnomPenh, Cambodia, from the north. © Neal Ulevich, @AP_Images https://t.co/6Fq8jWSuII A vessel lies partially sunk in the port of Phnom Penh, Cambodia due to Khmer Rouge attacks. © Neal…

A woman holds her injured child after bombing by the Khmer Rouge. via @parismatch https://t.co/QdgSJG0p7i

The Khmer Rouge keep recruiting many peasants from the countryside. Um San (21)from Takeo province, Cambodia joins the KR today because he “feels bitter towards enemies who have oppressed people for over 2000 years ago” © Elisabeth Becker https://t.co/B2j6cqSe5X

Cambodians hide from Khmer Rouge raids during the US supply airlift, at the airport of Pochentong, Phnom Penh. © Francoise Demulder,@AFPphoto https://t.co/fOOs9UBTCq Cambodians boarding at the airport of PhnomPenh fleeing the civil war. © Francoise Demulder ,@AFPphoto https://t.co/EbJFDz7Ye4 Tran’s international airlines DC8 cargo jet sits on ramp at PhnomPenh’s Pochentong Airport, Cambodia. It had caught fire after sustaining blast damage from a Khmer Rouge rocket which landed nearby. The plane, was used in a U.S. financed rice airlift. © Jess Tan ,@AP_Images https://t.co/mhWOIkrYy3 Today, many former Khmer Rouge personnel remain in power, including PrimeMinister Hun Sen. Ruling Cambodia since 1985, the leader of the communist Cambodian People’s Party is now…

A mother cries over her dead children. The one in the front is wrapped in plastic sheet, the one in the back is stretched out on springs of a bare cot. They were killed in a heavy mortar and artillery attack on Neak Luong, north of PhnomPenh, Cambodia. © Chor Yuthy, @AP_Images https://t.co/nCrmRiCXDo Wounded civilians and government soldiers on stretchers waiting to be evacuated to Phnom Penh after having received first aid. Khmer Rouge attacks wounded more than 300 in a field near Neak Luong, Cambodia. © Chor Yuthy, @AP_Images https://t.co/EBsCRJsvum

Civilians injured in the daily rocket and artillery attacks lie in the corridor of an overcrowded hospital in Phnom Penh, Cambodia. © Jess Tan, @AP_Images https://t.co/HuxhXVI35N