# Search: detention and violence, 1900 to 1949

The number of entries reflects the depth of this record, not the severity of a country's conduct.

Filters: country, continent, tactic, stage, from, to, level, actor, leader, outlet, outcome, source_kind, has_case, plus q, sort (date, date_asc, country, tactic, relevance), per_page (up to 100), page and view (table or cards), as query parameters.

5 incidents match this view.

| Date | Incident | Country | Tactic | Head of government | Outcome |
| --- | --- | --- | --- | --- | --- |
| 3 September 1939 | [Canada: War Measures Act regulations authorize review of hundreds of newspapers and ban political organizations](https://thewaronnews.com/incidents/1939-canada-defence-of-canada-regulations-censorship) | [Canada](https://thewaronnews.com/countries/ca) ([RSF 2026 rank: 20th of 180](https://rsf.org/en/index)) | [Prior restraint](https://thewaronnews.com/tactics/prior_restraint) | [William Lyon Mackenzie King](https://thewaronnews.com/leaders/william-lyon-mackenzie-king) | Sustained (31 December 1945) |
| 8 June 1925 | [United States: Supreme Court upholds Benjamin Gitlow's conviction under New York's Criminal Anarchy Law, 1925](https://thewaronnews.com/incidents/1925-us-supreme-court-upholds-gitlow-anarchy-conviction) | [United States](https://thewaronnews.com/countries/us) ([RSF 2026 rank: 64th of 180](https://rsf.org/en/index)) | [Secrets and espionage laws](https://thewaronnews.com/tactics/secrets_and_espionage_laws) | [Alfred E. Smith](https://thewaronnews.com/leaders/al-smith) | Upheld by a court (8 June 1925) |
| 26 June 1918 | [United States convicts newspaper editor Jacob Frohwerk under the Espionage Act, June 1918](https://thewaronnews.com/incidents/1918-us-espionage-act-conviction-of-editor-frohwerk) | [United States](https://thewaronnews.com/countries/us) ([RSF 2026 rank: 64th of 180](https://rsf.org/en/index)) | [Secrets and espionage laws](https://thewaronnews.com/tactics/secrets_and_espionage_laws) | [Woodrow Wilson](https://thewaronnews.com/leaders/woodrow-wilson) | Upheld by a court (10 March 1919) |
| 1917 | [United States convicts Mother Earth editor Emma Goldman of draft conspiracy and bars her magazine from the mail](https://thewaronnews.com/incidents/1917-us-mother-earth-editor-emma-goldman-convicted-magazine-barred-from-mail) | [United States](https://thewaronnews.com/countries/us) ([RSF 2026 rank: 64th of 180](https://rsf.org/en/index)) | [Detention and violence](https://thewaronnews.com/tactics/detention_and_violence) | [Woodrow Wilson](https://thewaronnews.com/leaders/woodrow-wilson) | Upheld by a court (14 January 1918) |
| 9 March 1913 | [Ottoman Empire bars lawmakers and officials from editing newspapers and jails a leading editor](https://thewaronnews.com/incidents/1913-ottoman-empire-press-law-bars-officials-from-editing-newspapers) | [Türkiye](https://thewaronnews.com/countries/tr) ([RSF 2026 rank: 163rd of 180](https://rsf.org/en/index)) | [Licensing and closure of outlets](https://thewaronnews.com/tactics/outlet_licensing) | [Mehmed V](https://thewaronnews.com/leaders/mehmed-v) | Sustained (9 March 1913) |

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