- After the surprise attack on Pearl Harbor, Japanese forces advanced across the Pacific, catching Allied forces off-guard.
- In the Philippines, tens of thousands of US and Filipino troops surrendered in April 1942, and the treatment they faced is regarded as one of World War II's worst atrocities.
After the surprise attack on the US fleet at Pearl Harbor on December 7, 1941, Japan swept through the Pacific.
In early January, Japanese forces landed in the Philippines, a US territory where tens of thousands of American and Filipino soldiers were stationed.
Allied forces fought for 99 days, but Japanese pressure, plus a lack of supplies and illness, wore them down, and the 76,000 troops who surrendered — more than 20,000 Americans among them — on April 9, 1942, made up the largest army under US command ever to surrender.
What followed was one of the most well-known atrocities of World War II: the Bataan Death March, during which thousands of Filipinos and Americans died on a forced march.
Japan's unpreparedness for the sheer number of soldiers who surrendered, coupled with disdain for surrendering troops and general frustration on the part of Japanese troops, led to shocking brutality during the march.
Many of those forced to walk more than 60 miles to a prison camp suffered in the tropical heat, which exacerbated war wounds and illnesses. Stragglers, prisoners who broke ranks, or those who fell behind were bayoneted, shot, and, in some cases, beheaded. Japanese soldiers overseeing the march beat their captives mercilessly.
After the war, Japanese Lt. Gen. Homma Masaharu, who led the invasion, was charged with responsibility for abuses at Camp O'Donnell by a military commission in Manila. He was executed by firing squad on April 3, 1946.
The photos below give some idea of the horrors those prisoners of war endured.
US and Filipino forces held out for 99 days, but the Japanese had anticipated a much longer resistance. An April 9 attack on the Bataan Peninsula cracked Allied resolve, and tens of thousands of soldiers surrendered to the Japanese.
"They called them the 'battling bastards of Bataan,' and they fought until they literally had no food, no ammunition," Mike Vigil, whose father was a US coastal artilleryman in the Philippines, told Business Insider.
Starting on April 10 from Mariveles, on the southern end of the Bataan Peninsula, 70,000 POWs were force-marched to Camp O'Donnell, a new prison camp 65 miles away. The main march took between five and 10 days to complete, depending on where a prisoner joined it.
Source: Encyclopedia Britannica
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