Editing 1917 (section)

=== April ===
{{main|April 1917}}
* April &ndash; ''[[Imokawa Mukuzo Genkanban no Maki]]'', the first [[anime]], is released in [[Japan]].
* [[April 2]] &ndash; WWI: U.S. President Woodrow Wilson asks the [[United States Congress]] for a [[declaration of war]] on Germany.
* [[April 6]] &ndash; WWI: The United States [[s:Woodrow Wilson declares war on Germany|declares war on Germany]].
* [[April 8]] (N.S.) ([[March 26]], O.S.) &ndash; In [[Petrograd]], 40,000 ethnic [[Estonians]] demand [[national autonomy]] within [[Russia]].
* [[April 9]]&ndash;[[May 16]] &ndash; WWI: [[Battle of Arras (1917)|Battle of Arras]] &ndash; British Empire troops make a significant advance on the Western Front but are unable to achieve a breakthrough.
* [[April 9]]&ndash;[[April 12|12]] &ndash; WWI: Canadian troops win the [[Battle of Vimy Ridge]].
* [[April 10]] &ndash; [[Eddystone explosion]]: an explosion at an ammunition plant near [[Chester, Pennsylvania]], kills 139, mostly female workers.
* [[April 11]] &ndash; WWI: [[First Brazilian Republic|Brazil]] severs diplomatic relations with Germany.
* [[April 12]] (N.S.) ([[March 30]] O.S.) &ndash; The [[Autonomous Governorate of Estonia]] is formed within [[Russia]], from the [[Governorate of Estonia]] and the northern part of the [[Governorate of Livonia]].
* [[April 16]]
** (N.S.) ([[April 3]], O.S.) &ndash; [[Vladimir Lenin]] arrives at the [[Finland Station]] in [[Petrograd]] after a German-sponsored voyage in a [[sealed train]] from his exile in Switzerland through Germany and Scandinavia.
** WWI: The [[Nivelle Offensive]] commences.
[[Image:Lenin.gif|thumb|150px|Lenin]]
* [[April 17]] 
** (N.S.) ([[April 4]], O.S.) &ndash; [[Vladimir Lenin]]'s [[April Theses]] are published.<ref>{{Cite web |date=2015-08-12 |title=April Theses |url=https://soviethistory.msu.edu/1917-2/april-crisis/april-crisis-texts/april-thesis/ |access-date=2025-04-06 |website=Seventeen Moments in Soviet History |language=en-US}}</ref> They become very influential in the following [[July Days]] and [[Bolshevik Revolution]].
** WWI: The Egyptian Expeditionary Force begins the [[Second Battle of Gaza]]. This unsuccessful frontal attack on strong [[Ottoman Empire|Ottoman]] defences along with the first battle, results in 10,000 casualties, the dismissal of force commander General [[Archibald Murray]], and the beginning of the [[Stalemate in Southern Palestine]].
** ''[[The Times]]'' and the ''[[Daily Mail]]'' (London newspapers both owned by [[Alfred Harmsworth, 1st Viscount Northcliffe|Lord Northcliffe]]) print [[atrocity propaganda]] of the supposed existence of a [[German Corpse Factory]] processing dead soldiers' bodies.<ref>{{cite news|title=Germans and their Dead. Revolting Treatment. Science and the Barbarian Spirit|newspaper=The Times|location=London|issue=41454|page=5|date=1917-04-17}}</ref><ref>{{cite news|title=Cadavers Not Human.; Gruesome Tale Believed to be Somebody's Notion of an April Fool Joke|newspaper=[[The New York Times]]|date=1917-04-20|url=https://timesmachine.nytimes.com/timesmachine/1917/04/20/102335496.pdf}}</ref><ref>{{cite book|last=Badsey|first=Stephen|title=The German Corpse Factory: a Study in First World War Propaganda|location=Solihull|publisher=Helion|year=2014|isbn=9781909982666}}</ref><ref>{{cite book|last=Neander|first=Joachim|title=The German Corpse Factory: The Master Hoax of British Propaganda in the First World War|publisher=Saarland University Press|location=Saarbrücken|year=2013|isbn=9783862231171}}</ref>
* [[April 19]] &ndash; WWI: Army transport {{SS|Mongolia|1903}} fires the United States' first shots in anger in the war when her gun crew drives off a German [[U-boat]] in the [[English Channel]] seven miles southeast of [[Beachy Head]].<ref>{{cite DANFS|title=Mongolia|url=https://www.history.navy.mil/research/histories/ship-histories/danfs/m/mongolia.html|access-date=2017-04-25}}</ref>
* [[April 26]] &ndash; WWI: The [[Agreement of Saint-Jean-de-Maurienne]], between France, Italy and the United Kingdom, to settle interests in the Middle East, is signed.