Persecution by atheist states

official promotion of atheism by a government

Songbun (), formally chulsin-songbun (, from Sino-Korean 出身, "origin" and 成分, "constituent"), is the system of ascribed status used in North Korea. According to the U.S. Committee for Human Rights in North Korea and the American Enterprise Institute, it is based on the political, social, and economic background of one's direct ancestors as well as the behavior of their relatives; according to the North Korean secret police, songbun is used to classify North Korean citizens into three primary castes—core, wavering, and hostile—in addition to approximately fifty sub-classifications, and determin

organization

mass deportation of Jehovah's Witnesses to Siberia

adoption of a different religion or irreligion under duress

300px|thumbnail|right|A veil-burning ceremony in Andijan, Uzbekistan, on Women's Day (now known as [[International Women's Day), 8 March 1927.]]

Polish-American Jesuit priest and missionary

Chinese persecution of the religious movement initiated by the Chinese Communist Party

return from rent-free lease of church valuables in Russia in 1922

campaign by Nikita Khrushchev

Religion in the People's Socialist Republic of Albania

paramilitary organization in Mexico

USSR's Promotion of Atheism

State-sponsored campaigns against religion in the People's Republic of China