1916 1917 1918 - 1919 - 1920 1921 1922
| Decades: |
1880s 1890s 1900s - 1910s - 1920s 1930s 1940s
Events of 1919
- January 1
- January 7 - Estonian Freedom War: Soviet Army meet resistance from Estonian forces.
- January 9 - Friedrich Ebert orders the Freikorps into action.
- January 10-January 12 - The Freikorps attacks Spartacus supporters around Berlin.
- January 11 - Romania annexes Transylvania.
- January 13 - Worker's councils in Berlin end the general strike; Spartacus week is over.
- January 15
- January 16 - The 18th Amendment, authorizing Prohibition, goes into effect in the United States.
- January 18 - World War I: A peace conference opens in Versailles, France.
- January 18 - Bentley Motors is founded.
- January 21 - the First Dáil Éireann meets in the Mansion House in Dublin. It is from this meeting that the Irish state dates its existence.
- January 23 - The Uprising of Khotin breaks out in Khotyn, Ukraine.
- January 25 - The League of Nations is founded.
- January 31 - 1919 Battle of George Square.
- Estonian Freedom War: The Red Army is expelled from the entire territory of Estonia.
- February 3 - Soviet troops occupy the Ukraine.
- February 11 - Friedrich Ebert (SPD), is elected President of Germany.
- February 14 - The Polish-Soviet War begins.
- February 23 - The Fascist Party is formed in Italy by Benito Mussolini.
- February 25 - Oregon places a 1 cent per US gallon (.26 ¢/L) tax on gasoline, becoming the first U.S. state to levy a gasoline tax.
- February 26 - An act of the United States Congress establishes most of the Grand Canyon as a United States National Park (see Grand Canyon National Park).
- March 1 - March 1st Movement against Japanese colonial rule in Korea.
- March 2 - The first Communist International meets in Moscow.
- March 3 - The Supreme Court of the United States upholds the conviction of Charles Schenck.
- March 9 - The 1919 Revolution breaks out in Egypt.
- March 15 - The American Legion forms in Paris.
- March 21 - The Hungarian Soviet Republic is established by Béla Kun.
- March 23 - In Milan, Italy, Benito Mussolini founds his Fascist political movement.
- March 31 - A general strike begins in the Ruhr.
- April 6-April 7 - The Bavarian Soviet Republic is founded.
- April 13 - At the Amritsar Massacre in the Punjab in India, British and Gurkha troops massacre 379 Sikhs.
- April 14 - The Emperor of Austria moves to exile in Switzerland.
- April 23 - The Constituent Assembly of Estonia convenes its first session.
- April 25
- April 30 - Several bombs are intercepted in the first wave of the 1919 United States anarchist bombings.
- May 1
- May 3 - Weimar Republic troops and Freikorps occupy Munich and crush the Bavarian Soviet Republic.
- May 4 - The May Fourth Movement opposes foreign colonizers in China.
- May 5 - The League of Red Cross Societies is founded in Paris
- May 9 - In Belgium a new electoral law introduced universal manhood suffrage and gave the franchise to certain classes of women.
- May 15 - Winnipeg workers launch a general strike for better wages and working conditions.
- May 16
- May 17 - A Committee of One Thousand forms to oppose the Winnipeg General Strike.
- May 19 - Mustafa Kemal Atatürk lands at Samsun on the Anatolian Black Sea coast, initiating what was later termed the Turkish War of Independence. The anniversary of this event is the official commemoration date of the Pontic Greek Genocide in Greece and Cyprus.
- May 23 - The University of California opens its second campus in Los Angeles. Initially called Southern Branch of the University of California (SBUC), it is eventually renamed the University of California, Los Angeles (UCLA).
- May 25 - Volcano Kelut erupts in Java, killing 16,000.
- May 29 - Einstein's theory of general relativity is tested/confirmed by Arthur Eddington's observation of a total solar eclipse in Principe and by Andrew Crommelin in Sobral, Ceará, Brazil.
- May 30
- By agreement with the United Kingdom, later confirmed by the League of Nations, Belgium was given the mandate over part of German East Africa (Ruanda and Urundi).
- Preparations are made at the Paris Peace Conference for the formation of the American Council on Foreign Relations and the British Royal Institute of International Affairs
- June 2 - Several mail bombs are sent to prominent figures as part of the 1919 United States anarchist bombings.
- June 4 - Women's rights: The United States Congress approves the 19th Amendment to the United States Constitution, which would guarantee suffrage to women, and sends it to the U.S. states for ratification.
- June 14 - John Alcock and Arthur Brown depart St. John's, Newfoundland on the first nonstop transatlantic flight (they land at Clifden, County Galway, Ireland the next day). 
- June 15 - Pancho Villa attacks Ciudad Juárez. When the bullets begin to fly to the US side of the border, 2 units of the US 7th Cavalry regiment cross the border and repulse Villa's forces.
- June 21
- Royal Canadian Mounted Police (North-West Mounted Police) fire a volley into a crowd of unemployed war veterans, killing two, during the Winnipeg General Strike.
- Admiral Ludwig von Reuter scuttles the German fleet in Scapa Flow, Orkney; 9 Germans die.
- The American Winged Foot Express catches on fire over downtown Chicago; 2 passengers, 1 crewmember and 10 people on the ground are killed; only 2 people parachute to the ground safely.
- June 23 - Estonian Freedom War: Estonian army wins the Battle of Cēsis in Northern Latvia against the German Landeswehr.
- June 28 - The Treaty of Versailles is signed, ending World War I.
- July 6 - The British dirigible R34 lands in New York, completing the first crossing of the Atlantic by an airship.
- July 20 - Sir Edmund Hillary was born.
- July 31 - Policemen in London and Liverpool strike for recognition of the National Union of Police and Prison Officers. Over 2,000 strikers are dismissed.
- August 11
- August 18 - The Bolshevik fleet, at Kronstadt near Petrograd, is destroyed by British aircraft and torpedo boats in a combined operation.
- August 19 - Afghanistan gains independence from the United Kingdom.
- August 16-August 26 - First Silesian Uprising: The Poles in Upper Silesia rise against the Germans.
- August 31 - The American Communist Party is established.
- September 10 - The Treaty of Saint-Germain is signed, ending World War I with Austria.
- September 10 - September 15: The Florida Keys Hurricane kills 600 in the Gulf of Mexico, Florida and Texas.
- The Steel strike of 1919 begins.
- September 23 - Belenenses is founded.
- September 27 - The last British troops leave Archangel, Russia and leave the fighting to the Russians.
- September 28 - Omaha Riot: A lynch mob besieges the police station and courthouse in Omaha, Nebraska, and lynches alleged black rapist Will Brown.
- October 1 - The Elaine Race Riot breaks out in Arkansas.
- October 2 - US President Woodrow Wilson suffers a massive stroke, leaving him partially paralyzed.
- October 9
- October 13 - The Convention relating to the Regulation of Aerial Navigation is signed.
- October 28 - Prohibition begins: The United States Congress passes the Volstead Act over President Woodrow Wilson's veto.
- November 10 - The first national convention of the American Legion is held in Minneapolis, Minnesota (convention ends November 12).
- November 11 - The Centralia Massacre in Centralia, Washington results in the deaths of four members of the American Legion, and the lynching of a local leader of the Industrial Workers of the World (IWW).
- November 16 - Admiral Horthy conquers Budapest from Béla Kun's Soviet Republic.
- November 19 - The confirmation is announced of Einstein's general relativity theory, tested by Arthur Eddington and Andrew Crommelin in total solar eclipse on May 29, 1919 FirstScience.
- November 27 - The Treaty of Neuilly is signed between the Allies and Bulgaria.
- November 28 - The American-born Lady Astor is elected to the British House of Commons, becoming on December 1 the first female MP to take a seat.
- November 30 - Health officials declare that the global Spanish Flu pandemic has ended.
- December 5 - The Turkish Ministry of War releases Greeks, Armenians and Jews from military service.
- December 12 - Gabriele D'Annunzio, with his entourage, marches into Fiume and convinces the Italian troops to join him.
- December 25 - The opening of Cliftonhill stadium in Coatbridge the home of Albion Rovers F.C. The match saw them lose 2 - 0 to St. Mirren.
- December 30 - Lincoln's Inn, in London admits its first female bar student.
- May 3 - Pete Seeger, American folk singer and left-wing activist (d. 2014)
- September 8 - Richard Cotten, conservative commentator (d. 1998)
- October 26 - Mohammad Reza Pahlavi of Iran, Shah of Iran (d. 1980)
- January 6 - Theodore Roosevelt, 26th President of the United States (b. 1858)
- May 17 - Guido von List, Austrian occultist (b. 1848)