Deliberate massacres of captives or civilians during wartime or periods of civil unrest by the state's military forces include those committed by Genghis Khan, the Golden Horde, the troops of Vlad the Impaler, the British Empire in its colonies, the Empire of Japan, the Soviet Union, Nazi Germany during the Second Sino-Japanese War and World War II, the 1st genocide of the 20th century Armenian genocide by the Ottoman Turks, The Holocaust, the Nanjing Massacre, the Katyn Forest Massacre of Polish citizens in 1940 and the massacres of political prisoners after the launch of Operation Barbarossa, the Three Alls Policy, the massacre of Soviet Jews at Babi Yar, the mass murder of the Hungarian, Serbian and German population in Vojvodina in the "Vengeance of Bacska", the murder of 24 unarmed villagers by British troops in the Batang Kali massacre during the Malayan Emergency, the mass killings in Indonesia during Suharto's rise to power, the murder of suspected leftists during Operation Condor in South America, the murder of Vietnamese civilians by American soldiers in the My Lai Massacre during the Vietnam War, the genocidal massacres of the Maya population during the Guatemalan Civil War, the massacre at El Mozote during the Salvadoran Civil War, and repeated attacks on civilians during the Syrian Civil War including the Al-Qubeir massacre.