Wartime sexual violence
Hal Gold estimated there were 20,000 recorded incidents of rape against Russian women.

German South-West Africa: In German South-West Africa during the Herero rebellion against German rule (and the subsequent Herero and Namaqua Genocide), German soldiers regularly engaged in gang rapes before killing the women or leaving them in the desert to die; a number of Herero women were also violently forced into involuntary prostitution.: 31

Xinhai revolution: In October 1911, during the Xinhai revolution, revolutionaries stormed the Manchu quarter of Xi'an. Most of the city's 20,000 Manchus were killed. The Hui Muslim community was divided in its support for the revolution. The Hui Muslims of Shaanxi supported the revolutionaries, while the Hui Muslims of Gansu supported the Qing. The native Hui Muslims (Mohammedans) of Xi'an (Shaanxi province) joined the Han Chinese revolutionaries in slaughtering the Manchus. Some wealthy Manchus survived by being ransomed. Wealthy Han Chinese enslaved Manchu girls and poor Han Chinese troops seized young Manchu women as wives. Hui Muslims also seized young pretty Manchu girls and raised them as Muslims.
A British missionary who witnessed the massacre commented that "Old and young, men and women, children alike, were all butchered ... Houses were plundered and then burnt; those who would fain have laid hidden till the storm was past, were forced to come out into the open. The revolutionaries, protected by a parapet of the wall, poured a heavy, unceasing, relentless fire into the doomed Tartar (Manchu) city, those who tried to escape thence into the Chinese city were cut down as they emerged from the gates."

World War I: Rapes were allegedly committed during the German advance through Belgium in the first months of the war. After the war, the historian Harold D. Lasswell dismissed the rape allegations as propaganda in his 1927 Freudian-oriented study, "Propaganda Technique in the World War". In September 1914, the French government set up a commission, that was also seen in Belgium to investigate reports of rape committed by German soldiers, however as historian Ruth Harris has documented the investigations were more to fuel narratives of nationalism and cultural hatred towards Germany. The individual stories of the women that were impacted were used to justify the war and to market it to the civilians.: 13

Bavarian Soviet Republic: Manfred Freiherr von Killinger related how, during the defeat of the Bavarian Soviet Republic, he ordered a female Communist sympathizer to be whipped "until there was not a white spot left on her backside".

Armenian genocide: Rape was widespread during the Armenian genocide which was committed by the Ottoman Turks. During the death marches of Armenian civilians through Anatolia in 1915, Turkish soldiers frequently raped and killed Armenian women and children. In many cases, Turkish civilians also participated in these crimes.
Although Armenian women attempted to evade sexual violence, suicide was frequently their only recourse. Women were displayed naked in Damascus, and were trafficked as sex slaves, serving as a significant revenue for accompanying soldiers.

World War II: The sometimes widespread and systematic occurrence of war rape of enemy and allied civilians by soldiers has been documented. During World War II and in its immediate aftermath, war rape occurred in a range of situations, ranging from institutionalized sexual slavery to war rapes associated with specific battles.

Asia: 

Imperial Japanese Army: The term "comfort women" is a euphemism for the estimated 200,000, mostly Korean, Chinese, Vietnamese, Burmese, Japanese, Taiwanese and Filipino women who were forced to serve as sex slaves in Japanese military brothels during World War II.
Chuo University professor Yoshiaki Yoshimi states there were about 2,000 centers where as many as 200,000 Japanese, Chinese, Korean, Filipino, Taiwanese, Burmese, Indonesian, Timorese, Papuan, Micronesian, Dutch and Australian women were interned and used as sex slaves. There were comfort women stations in China, Hong Kong, Taiwan, Japan, North and South Korea, Malaysia, Indonesia, Philippines, Burma, Thailand, Cambodia, Vietnam, New Guinea, the Kurile Islands, and Sakhalin.
In the Nanjing Massacre, Japanese soldiers sexually assaulted Chinese women who were trapped in the city of Nanjing when it fell to the Japanese on 13 December 1937. The International Military Tribunal for the Far East estimated that 20,000 women and children were raped or otherwise sexually assaulted during the first month of the occupation. Iris Chang estimated that the number of Chinese women raped by Japanese soldiers ranged from 20,000 to 80,000.
The Japanese forced Vietnamese women to become comfort women and with Burmese, Indonesian, Thai and Filipino women they made up a notable portion of Asian comfort women in general. Japanese use of Malaysian and Vietnamese women as comfort women was corroborated by many different testimonies.
In Java, the Japanese heavily recruited Javanese girls as comfort women and brought them to New Guinea, Malaysia, Thailand and other areas foreign to Indonesia besides using them in Java itself. When recruiting these girls, the Japanese would lie to the Javanese telling them that their girls would become waitresses and actresses. The Japanese destroyed many documents related to their rape of Indonesian Javanese girls at the end of the war so the true extent of the mass rape is uncountable, but testimony witnesses records the names and accounts of Indonesian Javanese comfort women.
Japanese in one instance tried to disguise the Javanese comfort girls they were raping as red cross nurses with red cross armbands when they surrendered to Australian soldiers in Kupang, Timor.
In Bali, the Japanese sexually harassed Balinese women when they arrived and started forcing Balinese women into brothels for prostitution, with Balinese men and Chinese men used as recruiters for the Balinese women. All of the brothels in Bali were staffed by Balinese women.
Melanesian women from New Guinea were also used as comfort women. Local women were recruited from Rabaul as comfort women, along with a small number of mixed Japanese-Papuan women born to Japanese fathers and Papuan mothers. Around 100 Micronesian women from island of Truk in the Carolines were also used as comfort women.
An unknown number of white females and children were either raped or sexually assaulted at various locations such as Banoeng, Padang, Tarakan, Menado, Flores island and Blora, at the beginning of the Japanese initial invasion and occupation. In the Bangka Island, most of the Australian nurses captured were raped before they were murdered.
J. F. van Wagtendonk and the Dutch Broadcast Foundation estimated a total of 400 Dutch girls were taken from the camps to become comfort women. Japanese soldiers raped Indonesian women and Dutch women in the Netherlands East Indies. Many of the women were infected with STDs as a result.
Suharto silenced public discussion in Indonesian on Japanese war crimes in Indonesia in order to stop anti-Japanese sentiment building up but it happened regardless when the movie Romusha came out in 1973 and the Peristiwa Malari (Malari affair) riots broke out in Indonesia in 1974 against Japan. Suharto also sought to silence discussion on Japanese war crimes due to Indonesia's own war crimes in East Timor after 1975, but Indonesians started talking about Indonesian comfort women in the 1990s following the example of Korea. Mardyiem, a Javanese Indonesian comfort woman talked about what happened to her after Indonesian comfort women were interviewed by Japanese lawyers, after decades of being forced to stay silent.
Three major revolts happened against Japan by Indonesians in Java. Japanese forced Indonesians of West Java in Cirebon to hand over a massive quota of rice to the Japanese military with Japanese officers using brutality to extract even more than the official quota. The Indonesians in Cirebon rebelled twice and targeted Indonesian collaborator bureaucrats and Japanese officers in 1944. Japan killed a lot of Indonesian rebels while crushing them with deadly force. In Sukmana, Singapurna, the Tasikmalaya regency, the conservative religious teacher Kiai Zainal Mustafa told his followers that in the month when Muhammad was born they would gain divine protection when he gave a sign. In February 1943, Japanese Kempeitai caught wind of what was happening and came to the area but the roads were blocked to stop them. The Indonesian villagers and students began to fight the Japanese and seized the sabre of the Japanese chief to kill him. More Japanese arrived and 86 Japanese and 153 Indonesian villagers died in the fighting. The Japanese then arrested Zainal and 22 others for execution. Supriyadi lead a Peta mutiny against the Japanese in February 1945.
Japanese raped Malay comfort women but UMNO leader Najib Razak blocked all attempts by other UMNO members like Mustapha Yakub at asking Japan for compensation and apologies.
The threat of Japanese rape against Chitty girls led Chitty families to let Eurasians, Chinese and full blooded Indians to marry Chitty girls and stop practicing endogamy.
Japanese soldiers raped Indian Tamil girls and women that were forced to work on the Burma railway. This led to Japanese soldiers contracting venereal disease such as chancroid, syphilis and gonorrhoea.

French Army: Vietnamese civilians were robbed, raped and killed by French soldiers in Saigon when they came back in August 1945.