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The history of censorship traces how governments, religious institutions, and other authorities have controlled or restricted the circulation of ideas, information, art, and speech. It also follows the continuing struggle between censorship, public safety, political power, and freedom of expression. More Less
1920
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As an example of censorship of U.S. history, Oregon enacted a law in the 1920s banning school textbooks that spoke slightingly of the founders.
1980
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A 1980 Israeli law prohibited artwork composed of the four colors of the Palestinian flag. Palestinians were arrested for displaying such art or even carrying sliced melons with the same color pattern.
Image source: Censorship in Israel
1985
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In 1985, the Recording Industry Association of America established the parental advisory labeling system as a concession intended to deter Congress from enacting laws censoring songs with violent, sexual, or anti-Christian lyrics.
1990 - 1999
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In the 1990s, Lynne Cheney, then chair of the National Endowment for the Humanities, launched a campaign against proposed U.S. history teaching standards that she considered insufficiently celebratory.
2001
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The lecturers at Ngee Ann Polytechnic who made A Vision of Persistence submitted written apologies and withdrew the documentary from the 2001 Singapore International Film Festival.
2001
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Singapore banned the short documentary A Vision of Persistence, which concerned opposition politician J. B. Jeyaretnam, under the country's law on party political films.
2004 - 2009
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Political films about other countries, including Michael Moore's 2004 documentary Fahrenheit 911, were exempted. In 2009, Singapore amended the law to permit party political films deemed factual and objective by a consultative committee.
2005
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Channel NewsAsia's 2005 documentary series about People's Action Party ministers was not considered a party political film, illustrating the selective application of Singapore's restrictions.
2005
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Singapore banned Martyn See's short documentary Singapore Rebel from the 2005 Singapore International Film Festival. The film documented Singapore Democratic Party leader Chee Soon Juan's acts of civil disobedience.
2006
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In 2006, Iran's Nashravaran Journalistic Institute censored a National Geographic cover.
2011
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Some artwork by Alwi and other Guantánamo prisoners was displayed at John Jay College of Criminal Justice in New York, but by 2011 the military had introduced a policy preventing artwork from leaving the detention center.
Image source: Guantanamo Bay detention camp
2015
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In 2015, a London magistrates' court ordered British photographer and visual artist Graham Ovenden's photographs and paintings destroyed as indecent. Copies were also removed from the online Tate Gallery.
Image source: Graham Ovenden
Dec 2018
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After Cuba introduced rules banning music performances and artwork not authorized by the state, performance artist Tania Bruguera was detained upon arriving in Havana in December 2018 and released four days later.
Image source: Tania Bruguera
2019
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In 2019, Julia Carrie Wong argued that contemporary reactionaries were continuing earlier efforts to ensure that white children were taught a more hagiographic than historic version of America's past.
2024
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A 2024 Indiana University study found that policies in 16 Republican-dominated states restricted teaching critical perspectives on race, sexuality, and other controversial subjects while promoting a positive view of U.S. history.
1933 - 2014
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Reporting and public discussion of military atrocities has been highly controversial, including the Holocaust and Holocaust denial, the bombing of Dresden, the Nanking Massacre, the Armenian genocide, the Tiananmen Square protests of 1989, and the Winter Soldier Investigation of the Vietnam War.
1978
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Michel Foucault's 1978 text Sexual Morality and the Law, originally published as La loi de la pudeur, was later republished as The Danger of Child Sexuality, illustrating disputes over sexuality, morality, and censorship.
Image source: Michel Foucault
1997
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In a 1997 essay, social commentator Michael Landier argued that censorship is counterproductive because it prevents censored topics from being openly discussed.
Image source: Censorship
2004
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Under the Penang Islamic Religious Administration Enactment 2004, non-Muslims in Malaysia can be penalized for speaking, writing, or publishing numerous Islamic words and phrases, including Allah, al Quran, fatwa, hadith, Haji, Kaaba, imam, and sheikh.
1945 - 1949
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During the four years that the CCD was active after World War II, authorities opened approximately 200 million pieces of mail and 136 million telegrams and tapped telephones about 800,000 times.
1956 - 1974
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From 1956 until 1974, the Irish republican political party Sinn Féin was banned from participating in Northern Irish elections, restricting its political representation during a period of conflict.
Image source: Sinn Féin
1973
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After a military coup took power in Uruguay in 1973, the new government practiced censorship as part of its authoritarian rule.
1988 - 1994
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From 1988 until 1994, the United Kingdom prevented broadcasters from transmitting the voices of Sinn Féin and ten Irish republican and Ulster loyalist groups, although their words could still be conveyed through actors or subtitles.
Jul 2014
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In July 2014, journalists' associations expressed concern about media freedom in Serbia, where Aleksandar Vučić faced criticism over the condition of the press.
Image source: Aleksandar Vučić
Sep 2015
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In September 2015, five members of the U.S. Congress informed Vice President Joseph Biden that Andrej Vučić was leading a group responsible for deteriorating media freedom in Serbia.
Apr 2017
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A Council of Europe study published in April 2017 reported a significant increase in threats to media freedom across Europe.
Image source: Freedom of the press
2020
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Amid declining car sales in 2020, France banned a television advertisement by a Dutch bicycle company, saying that it unfairly discredited the automobile industry.
Mar 2022
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In March 2022, Novaya Gazeta suspended its print activities after receiving a second warning from Roskomnadzor.
Mar 2022
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In March 2022, Vladimir Putin signed a law imposing prison sentences of up to 15 years for publishing knowingly false information about the Russian military and its operations. Some Russian media outlets stopped reporting on Ukraine or shut down.
Dec 2022
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By December 2022, more than 4,000 people had been prosecuted under Russian fake news laws in connection with the Russian invasion of Ukraine.
Image source: Censorship in Russia
Nov 2007
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In November 2007, Vint Cerf said he believed government control of the Internet would fail because the Web was almost entirely privately owned.
Image source: Internet censorship
2009
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A Berkman Klein Center report published in 2009 concluded that circumvention-tool developers would generally stay ahead of government blocking efforts, while estimating that fewer than two percent of filtered Internet users used such tools.
Nov 30, 2009 - Feb 7, 2010
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The BBC World Service conducted a poll of 27,973 adults in 26 countries, including 14,306 Internet users, between 30 November 2009 and 7 February 2010 to assess attitudes toward Internet access and freedom.
2010
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The Arab Spring uprisings, beginning in 2010, became a prominent example of social-media-led protests and of the relationship between online communication, political mobilization, and censorship.
Image source: Arab Spring
2010
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In 2010, Visa Inc. participated in financial censorship of WikiLeaks by blocking payment processing connected with the organization.
2011
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India's Information Technology Rules 2011 defined objectionable content to include material that threatens the unity, integrity, defence, security, or sovereignty of India, friendly relations with foreign states, or public order.
2013
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In 2013, Harvard political science professor Gary King led a study of what caused social media posts to be censored. It found that posts mentioning the government were not more or less likely to be deleted depending on whether they supported or criticized the government.
2014 - 2019
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Between 2014 and 2019, 128,872 investigations were launched for the relevant offense in India, and prosecutors opened 27,717 criminal cases.
Apr 29, 2017
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On 29 April 2017, Erdoğan's government blocked online access to all language versions of Wikipedia in Turkey.
Or browse the full history timeline directory, with more than 2,000 topics.
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