High Quality Content by WIKIPEDIA articles! Sai Wan War Cemetery is a military cemetery located in Chai Wan, Hong Kong. The cemetery contains the graves of the dead of the Second World War, mostly soldiers from the Commonwealth and Allied Forces who fell during the Battle of Hong Kong.On 8 December 1941 -- less than eight hours after the attack on Pearl Harbor -- Japanese forces launched an invasion into Hong Kong, then a British Crown colony. The invasion started a lesser-known chapter of World War II when Commonwealth forces -- mainly British and Canadian -- began the futile defense of the territory.