Important Historical Events of the year 1917, Year 1917 in History

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List of 1917 Major News Events in History, Most Important Historical Events in 1917

What happened in the year 1917?

Date	Event
January 9, 1917	World War I: The Battle of Rafa is fought near the Egyptian border with Palestine.
January 11, 1917	The Kingsland munitions factory explosion occurs as a result of sabotage.
January 17, 1917	The United States pays Denmark $25 million for the Virgin Islands.
January 19, 1917	Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
January 22, 1917	American entry into World War I: President Woodrow Wilson of the still-neutral United States calls for "peace without victory" in Europe.
January 25, 1917	Sinking of the SS Laurentic after hitting two German mines off the coast of Northern Ireland.
January 31, 1917	World War I: Kaiser Wilhelm II orders the resumption of unrestricted submarine warfare.
February 3, 1917	World War I: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
February 5, 1917	The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
February 5, 1917	The Congress of the United States passes the Immigration Act of 1917 over President Woodrow Wilson's veto.
February 23, 1917	First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
February 24, 1917	World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.
March 1, 1917	The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
March 2, 1917	The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
March 4, 1917	Jeannette Rankin of Montana becomes the first female member of the United States House of Representatives.
March 8, 1917	International Women's Day protests in Petrograd mark the beginning of the February Revolution (February 23 in the Julian calendar).
March 8, 1917	The United States Senate votes to limit filibusters by adopting the cloture rule.
March 11, 1917	World War I: Mesopotamian campaign: Baghdad falls to Anglo-Indian forces commanded by General Frederick Stanley Maude.
March 15, 1917	Tsar Nicholas II of Russia abdicates the Russian throne, ending the 304-year Romanov dynasty.[19]
March 25, 1917	The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
March 26, 1917	World War I: First Battle of Gaza: British troops are halted after 17,000 Turks block their advance.
March 31, 1917	According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
April 2, 1917	American entry into World War I: President Wilson asks the U.S. Congress for a declaration of war on Germany.
April 6, 1917	World War I: The United States declares war on Germany.
April 9, 1917	World War I: The Battle of Arras: The battle begins with Canadian Corps executing a massive assault on Vimy Ridge.
April 12, 1917	World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
April 16, 1917	Russian Revolution: Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
April 18, 1917	The II Italian Corps in France leaves from Italy for the western front. It will distinguish itself during the Third Battle of the Aisne and the Second Battle of the Marne, in Bligny and on the sector Courmas – Bois du Petit Champ, where it will considerably contribute to stop the German offensive on Eparnay, aimed to outflank Reims.
May 13, 1917	Three children report the first apparition of Our Lady of Fátima in Fátima, Portugal.
May 18, 1917	World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription.
May 19, 1917	The Norwegian football club Rosenborg BK is founded.
May 21, 1917	The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
May 21, 1917	The Great Atlanta fire of 1917 causes $5.5 million in damages, destroying some 300 acres including 2,000 homes, businesses and churches, displacing about 10,000 people but leading to only one fatality (due to heart attack).
May 26, 1917	Several powerful tornadoes rip through Illinois, including the city of Mattoon.
May 27, 1917	Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church.
June 4, 1917	The first Pulitzer Prizes are awarded: Laura E. Richards, Maude H. Elliott, and Florence Hall receive the first Pulitzer for biography (for Julia Ward Howe). Jean Jules Jusserand receives the first Pulitzer for history for his work With Americans of Past and Present Days. Herbert B. Swope receives the first Pulitzer for journalism for his work for the New York World.
June 5, 1917	World War I: Conscription begins in the United States as "Army registration day".
June 7, 1917	World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
June 11, 1917	King Alexander assumes the throne of Greece after his father, Constantine I, is deemed to have abdicated under pressure from allied armies occupying Athens.
June 13, 1917	World War I: The deadliest German air raid on London of the war is carried out by Gotha G.IV bombers and results in 162 deaths, including 46 children, and 432 injuries.
June 23, 1917	In a game against the Washington Senators, Boston Red Sox pitcher Ernie Shore retires 26 batters in a row after replacing Babe Ruth, who had been ejected for punching the umpire.
June 26, 1917	World War I: The American Expeditionary Forces begin to arrive in France. They will first enter combat four months later.
June 28, 1917	World War I: Greece joins the Allied powers.
July 1, 1917	Chinese General Zhang Xun seizes control of Beijing and restores the monarchy, installing Puyi, last emperor of the Qing dynasty, to the throne. The restoration is reversed just shy of two weeks later, when Republican troops regain control of the capital.
July 6, 1917	World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt.
July 12, 1917	The Bisbee Deportation occurs as vigilantes kidnap and deport nearly 1,300 striking miners and others from Bisbee, Arizona.
July 17, 1917	King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
July 20, 1917	World War I: The Corfu Declaration, which leads to the creation of the post-war Kingdom of Yugoslavia, is signed by the Yugoslav Committee and Kingdom of Serbia.
July 25, 1917	Sir Robert Borden introduces the first income tax in Canada as a "temporary" measure (lowest bracket is 4% and highest is 25%).
July 27, 1917	World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
July 28, 1917	The Silent Parade takes place in New York City, in protest against murders, lynchings, and other violence directed towards African Americans.
July 31, 1917	World War I: The Battle of Passchendaele begins near Ypres in West Flanders, Belgium.
August 6, 1917	World War I: Battle of Mărășești between the Romanian and German armies begins.
August 14, 1917	World War I: The Republic of China, which had heretofore been shipping labourers to Europe to assist in the war effort, officially declares war on the Central Powers, although it will continue to send to Europe labourers instead of combatants for the remaining duration of the war.
August 18, 1917	A Great Fire in Thessaloniki, Greece, destroys 32% of the city leaving 70,000 individuals homeless.
August 28, 1917	Ten suffragists, members of the Silent Sentinels, are arrested while picketing the White House in favor of women's suffrage in the United States.
August 30, 1917	Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority.
September 14, 1917	The Russian Empire is formally replaced by the Russian Republic.
September 26, 1917	World War I: The Battle of Polygon Wood begins.
October 4, 1917	World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
October 12, 1917	World War I: The First Battle of Passchendaele takes place resulting in the largest single-day loss of life in New Zealand history.
October 13, 1917	The "Miracle of the Sun" is witnessed by an estimated 70,000 people in the Cova da Iria in Portugal.
October 24, 1917	World War I: Italy suffers a disastrous defeat at the Battle of Caporetto on the Austro-Italian front.
October 25, 1917	Old Style date of the October Revolution in Russia.
October 26, 1917	World War I: Brazil declares war on the Central Powers.
October 31, 1917	World War I: Battle of Beersheba: The "last successful cavalry charge in history".
November 2, 1917	The Balfour Declaration proclaims British support for the "establishment in Palestine of a national home for the Jewish people" with the clear understanding "that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities".
November 2, 1917	The Military Revolutionary Committee of the Petrograd Soviet, in charge of preparation and carrying out the Russian Revolution, holds its first meeting.
November 5, 1917	Lenin calls for the October Revolution.
November 5, 1917	Tikhon is elected the Patriarch of Moscow and of the Russian Orthodox Church.
November 7, 1917	The October Revolution, which gets its name from the Julian calendar date of 25 October, occurs, according to the Gregorian calendar; on this date, the Bolsheviks storm the Winter Palace.
November 7, 1917	World War I: The Third Battle of Gaza ends, with British forces capturing Gaza from the Ottoman Empire.
November 8, 1917	The first Council of People's Commissars is formed, including Vladimir Lenin, Leon Trotsky and Joseph Stalin.
November 9, 1917	The Balfour Declaration is published in The Times newspaper.
November 13, 1917	World War I: beginning of the First Battle of Monte Grappa (in Italy known as the "First Battle of the Piave"). The Austro-Hungarian Armed Forces, despite help from the German Alpenkorps and numerical superiority, will fail their offensive against the Italian Army now led by its new chief of staff Armando Diaz.
November 15, 1917	Eduskunta declares itself the supreme state power of Finland, prompting its declaration of independence and secession from Russia.
November 20, 1917	World War I: Battle of Cambrai begins: British forces make early progress in an attack on German positions but are later pushed back.
November 24, 1917	In Milwaukee, nine members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001.
November 25, 1917	World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.
November 26, 1917	The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
November 26, 1917	The National Hockey League is formed, with the Montreal Canadiens, Montreal Wanderers, Ottawa Senators, Quebec Bulldogs, and Toronto Arenas as its first teams.
November 27, 1917	P. E. Svinhufvud becomes the chairman of his first senate, technically the first Prime Minister of Finland.
November 28, 1917	The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
December 2, 1917	World War I: Russia and the Central Powers sign an armistice at Brest-Litovsk, and peace talks leading to the Treaty of Brest-Litovsk begin.
December 4, 1917	After drafting the Declaration of Independence, the Finnish Senate headed by P. E. Svinhufvud submitted to the Parliament of Finland a proposal for the form of government of the Republic of Finland and issued a communication to Parliament declaring independence of Finland.
December 6, 1917	Finland declares independence from the Russian Empire.
December 6, 1917	Halifax Explosion: A munitions explosion near Halifax, Nova Scotia kills more than 1,900 people in the largest artificial explosion up to that time.
December 6, 1917	World War I: USS Jacob Jones is the first American destroyer to be sunk by enemy action when it is torpedoed by German submarine SM U-53.
December 7, 1917	World War I: The United States declares war on Austria-Hungary.
December 9, 1917	World War I: Field Marshal Allenby captures Jerusalem from the Ottoman Empire.
December 11, 1917	World War I: British General Edmund Allenby enters Jerusalem on foot and declares martial law.
December 12, 1917	Father Edward J. Flanagan founds Boys Town as a farm village for wayward boys.
December 15, 1917	World War I: An armistice between Russia and the Central Powers is signed.
December 18, 1917	The resolution containing the language of the Eighteenth Amendment to enact Prohibition is passed by the United States Congress.
December 20, 1917	Cheka, the first Soviet secret police force, is founded.