January
January 10 – The British submarine L-24 sinks in the English Channel; 43 are lost.
January 12 – Gopinath Saha shoots a man he erroneously thinks is Sir Charles Tegart, the police commissioner of Calcutta, and is arrested soon after.
January 21 – Following the death of Vladimir Lenin, Joseph Stalin immediately begins to purge his rivals to clear the way for his leadership.
January 22 – Ramsay MacDonald becomes the first Labour Prime Minister of the United Kingdom.
January 23 – The Soviet Union officially declares that Lenin died January 21.
January 25 – The 1924 Winter Olympics open in Chamonix, in the French Alps.
January 26 – Petrograd (Saint Petersburg) is renamed Leningrad. It reverts to Saint Petersburg in 1991.
January 27 – Lenin is buried in Lenin's Mausoleum in Moscow's Red Square.
February
February 1 - The United Kingdom recognizes the Soviet Union.
February 5 - GMT: A radio time signal is broadcast for the first time from the Royal Greenwich Observatory.
February 7 - Capital punishment: The first state execution using gas in the United States takes place in Nevada.
February 12 - Rhapsody in Blue, by George Gershwin, is first performed in New York City at Aeolian Hall.
February 14 - The Computing Tabulating Recording Company (CTR), based in the U.S. state of New York, is renamed International Business Machines (IBM).
February 16-February 26 – Dock strikes break out in various U.S. harbors.
February 22
Treaty of Rome: Agreement for the Kingdom of Italy to annexe the Free State of Fiume and for the Kingdom of Serbs, Croats and Slovenes to absorb Sušak.
Calvin Coolidge becomes the first President of the United States to deliver a radio broadcast from the White House.
March
March 3 – The 1,400-year-old Islamic caliphate is abolished when Caliph Abdülmecid II of the Ottoman Empire is deposed. The last remnant of the old regime gives way to the reformed Turkey of President Kemal Atatürk.
March 6 – İsmet İnönü forms a new government in Turkey. (2nd government)
March 8 – The Castle Gate Mine disaster kills 172 coal miners in Utah, United States.
March 25 – Greece proclaims itself a republic.
March 29 – The Third Ministry of Raymond Poincaré starts in France.
April
April 1
Adolf Hitler is sentenced to 5 years in jail for his participation in the Beer Hall Putsch (he serves only 8 months).
The first revenue flight for Belgium's Sabena Airlines takes place.
April 6 – Fascists win the elections in Italy with a ⅔ majority.
April 13
A referendum in Greece favors the formation of the Second Hellenic Republic.
The A.E.K. is founded in Greece.
April 16 – American media company Metro-Goldwyn-Mayer (MGM) is founded in Los Angeles.
April 23 – British Empire Exhibition opens. It was the largest colonial exhibition with 58 countries of the empire dramatically represented.
April 26 – Harry Grindell Matthews demonstrates his "death ray" in London but fails to convince the British War Office.
April 27 – A group of Alawites kill several nuns in Syria; French troops march against them.
April 28 – An explosion in a mine at the Wheeling Steel Corporation in Benwood, West Virginia kills 119 men.
May
May 3 – The Aleph Zadik Aleph, the oldest Jewish youth fraternity, is founded in Omaha, Nebraska.
May 4 – The 1924 Summer Olympics opening ceremonies are held in Paris, France.
May 8 – Lithuania signs the Klaipėda Convention with the nations of the Conference of Ambassadors, taking the Klaipėda Region from East Prussia and making it into an autonomous region.
May 10 – J. Edgar Hoover is appointed head of the Bureau of Investigation.
May 11 – Mercedes-Benz is formed by the merging companies owned by Gottlieb Daimler and Karl Benz.
May 21 – University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a thrill killing.
May 24 – The Immigration Act of 1924 is signed into law in the United States, including the Asian Exclusion Act.
June
June 1 – Harry Grindell Matthews returns from Paris to London; he tries to use a Pathé film to demonstrate that his death ray works.
June 2 – U.S. President Calvin Coolidge signs the Indian Citizenship Act into law, granting citizenship to all Native Americans born within the territorial limits of the United States.
June 5 – Ernst Alexanderson sends the first facsimile across the Atlantic Ocean (to his father in Sweden).
June 8 – George Mallory and Andrew Irvine are last seen "going strong for the top" of Mount Everest by teammate Noel Odell at 12:50 P.M. The two mountaineers are never seen alive again.
June 10 – Fascists kidnap and kill Italian socialist leader Giacomo Matteotti in Rome.
June 12 – Rondout Heist: Six men of the Egan's Rats gang rob a mail train in Rondout, Illinois; the robbery is later found to have been an inside job.
June 13 – In Hungary, a most devastating tornado called "Wildkansas" struck, and left a 500-1500m wide and 70 km long path of destruction, landed at Bia, and after 3 hours it ended near Vác, destroyed a village called Páty completely, and left many people homeless, killed 9 people, and 50 people got wounded. This was one of the strongest tornadoes ever not only in Hungary but in Europe also. It was estimated to be an F4.
June 16 – Whampoa Military Academy is founded in China.
June 23 – American airman Russell Maughan flies from New York to San Francisco in 21 hours and 48 minutes on a dawn-to-dusk flight in a Curtiss pursuit.
June 28 – A tornado touches down in Lorain, Ohio and kills 78 people.
July
July 4 – Supposed invention of Caesar salad by Caesar Cardini in Tijuana.
July 17 – Voting in federal elections becomes compulsory in Australia, after a private member's bill proposed by Tasmanian Nationalist senator Herbert Payne results in the passing of the Commonwealth Electoral (Compulsory Voting) Act 1924.
July 20 – The Soviet sports newspaper Sovetsky Sport is founded.
August
August 16 – The Dawes Plan is accepted.
August 18 – France begins to withdraw its troops from Germany.
August 28 – August Uprising: Georgia rises against rule by the Soviet Union in an abortive rebellion in which several thousands die.
September
September 9
The Hanapepe massacre occurs on Kauai, Hawaii.
The 8-hour work day is introduced in Belgium.
September 9–September 11 – The Kohat riots break out in India.
September 28 – U.S. Army pilots John Harding and Erik Nelson complete the first aerial circumnavigation. It has taken them 175 days and 74 stops before their return to Seattle.
October
October 2 – The Geneva Protocol is adopted by the League of Nations Assembly as a means to strengthen the League, but later fails to be ratified.
October 10 – The Alpha Delta Gamma fraternity is founded at the Lake Shore Campus of Loyola University, Chicago.
October 12–October 15 – Zeppelin LZ-126 makes a transatlantic delivery flight from Friedrichshafen, Germany, to Lakehurst, New Jersey.
October 19 – Abdul Aziz declares himself protector of holy places in Mecca.
October 22 – The Toastmasters Club is founded.
October 24 – Dixie Dean scores a hat-trick for Tranmere Rovers to become the youngest ever player to score three goals for The Superwhites.
October 25
The British Foreign Office publishes the Zinoviev letter.
British authorities in India arrest Subhas Chandra Bose and jail him for the next 2½ years.
October 27 – The Uzbek SSR joins the Soviet Union.
November
November 4
Nellie Tayloe Ross of Wyoming is elected as the first woman governor in the United States.
U.S. presidential election, 1924: Republican Calvin Coolidge defeats Democrat John W. Davis and Progressive Robert M. La Follette, Sr.
November 19 – In Los Angeles, famous silent film director Thomas Ince ("The Father of the Western") dies, reportedly of a heart attack, in his bed (rumors soon surface that he was shot dead by publishing tycoon William Randolph Hearst).
November 21 – Ali Fethi Okyar forms new government in Turkey. (3rd government)
November 27 – In New York City the first Macy's Thanksgiving Day Parade is held.
December
December 1
A Soviet-backed communist coup attempt fails in Estonia.
George Gershwin's Lady Be Good and Fascinating Rhythm (book by Guy Bolton and Fred Thompson, lyrics by Ira Gershwin) premiere in New York, NY.
December 19 – German serial killer Fritz Haarmann is sentenced to death for a series of murders.
December 20 – In Germany Adolf Hitler is released from Landsberg Prison. Hitler served nine months for his crucial role in the Beer Hall Putsch from 1923.
December 24
An air crash at Croydon Air Field in London kills 8.
Albania becomes a republic.
A flash fire at a Christmas celebration in a one-room schoolhouse in Babbs, Oklahoma kills 36 people, mostly small children.
December 30 – Astronomer Edwin Hubble announces that Andromeda, previously believed to be a nebula, is actually another galaxy, and that the Milky Way is only one of many such galaxies in the universe.
January 10 – The British submarine L-24 sinks in the English Channel; 43 are lost.
January 12 – Gopinath Saha shoots a man he erroneously thinks is Sir Charles Tegart, the police commissioner of Calcutta, and is arrested soon after.
January 21 – Following the death of Vladimir Lenin, Joseph Stalin immediately begins to purge his rivals to clear the way for his leadership.
January 22 – Ramsay MacDonald becomes the first Labour Prime Minister of the United Kingdom.
January 23 – The Soviet Union officially declares that Lenin died January 21.
January 25 – The 1924 Winter Olympics open in Chamonix, in the French Alps.
January 26 – Petrograd (Saint Petersburg) is renamed Leningrad. It reverts to Saint Petersburg in 1991.
January 27 – Lenin is buried in Lenin's Mausoleum in Moscow's Red Square.
February
February 1 - The United Kingdom recognizes the Soviet Union.
February 5 - GMT: A radio time signal is broadcast for the first time from the Royal Greenwich Observatory.
February 7 - Capital punishment: The first state execution using gas in the United States takes place in Nevada.
February 12 - Rhapsody in Blue, by George Gershwin, is first performed in New York City at Aeolian Hall.
February 14 - The Computing Tabulating Recording Company (CTR), based in the U.S. state of New York, is renamed International Business Machines (IBM).
February 16-February 26 – Dock strikes break out in various U.S. harbors.
February 22
Treaty of Rome: Agreement for the Kingdom of Italy to annexe the Free State of Fiume and for the Kingdom of Serbs, Croats and Slovenes to absorb Sušak.
Calvin Coolidge becomes the first President of the United States to deliver a radio broadcast from the White House.
March
March 3 – The 1,400-year-old Islamic caliphate is abolished when Caliph Abdülmecid II of the Ottoman Empire is deposed. The last remnant of the old regime gives way to the reformed Turkey of President Kemal Atatürk.
March 6 – İsmet İnönü forms a new government in Turkey. (2nd government)
March 8 – The Castle Gate Mine disaster kills 172 coal miners in Utah, United States.
March 25 – Greece proclaims itself a republic.
March 29 – The Third Ministry of Raymond Poincaré starts in France.
April
April 1
Adolf Hitler is sentenced to 5 years in jail for his participation in the Beer Hall Putsch (he serves only 8 months).
The first revenue flight for Belgium's Sabena Airlines takes place.
April 6 – Fascists win the elections in Italy with a ⅔ majority.
April 13
A referendum in Greece favors the formation of the Second Hellenic Republic.
The A.E.K. is founded in Greece.
April 16 – American media company Metro-Goldwyn-Mayer (MGM) is founded in Los Angeles.
April 23 – British Empire Exhibition opens. It was the largest colonial exhibition with 58 countries of the empire dramatically represented.
April 26 – Harry Grindell Matthews demonstrates his "death ray" in London but fails to convince the British War Office.
April 27 – A group of Alawites kill several nuns in Syria; French troops march against them.
April 28 – An explosion in a mine at the Wheeling Steel Corporation in Benwood, West Virginia kills 119 men.
May
May 3 – The Aleph Zadik Aleph, the oldest Jewish youth fraternity, is founded in Omaha, Nebraska.
May 4 – The 1924 Summer Olympics opening ceremonies are held in Paris, France.
May 8 – Lithuania signs the Klaipėda Convention with the nations of the Conference of Ambassadors, taking the Klaipėda Region from East Prussia and making it into an autonomous region.
May 10 – J. Edgar Hoover is appointed head of the Bureau of Investigation.
May 11 – Mercedes-Benz is formed by the merging companies owned by Gottlieb Daimler and Karl Benz.
May 21 – University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a thrill killing.
May 24 – The Immigration Act of 1924 is signed into law in the United States, including the Asian Exclusion Act.
June
June 1 – Harry Grindell Matthews returns from Paris to London; he tries to use a Pathé film to demonstrate that his death ray works.
June 2 – U.S. President Calvin Coolidge signs the Indian Citizenship Act into law, granting citizenship to all Native Americans born within the territorial limits of the United States.
June 5 – Ernst Alexanderson sends the first facsimile across the Atlantic Ocean (to his father in Sweden).
June 8 – George Mallory and Andrew Irvine are last seen "going strong for the top" of Mount Everest by teammate Noel Odell at 12:50 P.M. The two mountaineers are never seen alive again.
June 10 – Fascists kidnap and kill Italian socialist leader Giacomo Matteotti in Rome.
June 12 – Rondout Heist: Six men of the Egan's Rats gang rob a mail train in Rondout, Illinois; the robbery is later found to have been an inside job.
June 13 – In Hungary, a most devastating tornado called "Wildkansas" struck, and left a 500-1500m wide and 70 km long path of destruction, landed at Bia, and after 3 hours it ended near Vác, destroyed a village called Páty completely, and left many people homeless, killed 9 people, and 50 people got wounded. This was one of the strongest tornadoes ever not only in Hungary but in Europe also. It was estimated to be an F4.
June 16 – Whampoa Military Academy is founded in China.
June 23 – American airman Russell Maughan flies from New York to San Francisco in 21 hours and 48 minutes on a dawn-to-dusk flight in a Curtiss pursuit.
June 28 – A tornado touches down in Lorain, Ohio and kills 78 people.
July
July 4 – Supposed invention of Caesar salad by Caesar Cardini in Tijuana.
July 17 – Voting in federal elections becomes compulsory in Australia, after a private member's bill proposed by Tasmanian Nationalist senator Herbert Payne results in the passing of the Commonwealth Electoral (Compulsory Voting) Act 1924.
July 20 – The Soviet sports newspaper Sovetsky Sport is founded.
August
August 16 – The Dawes Plan is accepted.
August 18 – France begins to withdraw its troops from Germany.
August 28 – August Uprising: Georgia rises against rule by the Soviet Union in an abortive rebellion in which several thousands die.
September
September 9
The Hanapepe massacre occurs on Kauai, Hawaii.
The 8-hour work day is introduced in Belgium.
September 9–September 11 – The Kohat riots break out in India.
September 28 – U.S. Army pilots John Harding and Erik Nelson complete the first aerial circumnavigation. It has taken them 175 days and 74 stops before their return to Seattle.
October
October 2 – The Geneva Protocol is adopted by the League of Nations Assembly as a means to strengthen the League, but later fails to be ratified.
October 10 – The Alpha Delta Gamma fraternity is founded at the Lake Shore Campus of Loyola University, Chicago.
October 12–October 15 – Zeppelin LZ-126 makes a transatlantic delivery flight from Friedrichshafen, Germany, to Lakehurst, New Jersey.
October 19 – Abdul Aziz declares himself protector of holy places in Mecca.
October 22 – The Toastmasters Club is founded.
October 24 – Dixie Dean scores a hat-trick for Tranmere Rovers to become the youngest ever player to score three goals for The Superwhites.
October 25
The British Foreign Office publishes the Zinoviev letter.
British authorities in India arrest Subhas Chandra Bose and jail him for the next 2½ years.
October 27 – The Uzbek SSR joins the Soviet Union.
November
November 4
Nellie Tayloe Ross of Wyoming is elected as the first woman governor in the United States.
U.S. presidential election, 1924: Republican Calvin Coolidge defeats Democrat John W. Davis and Progressive Robert M. La Follette, Sr.
November 19 – In Los Angeles, famous silent film director Thomas Ince ("The Father of the Western") dies, reportedly of a heart attack, in his bed (rumors soon surface that he was shot dead by publishing tycoon William Randolph Hearst).
November 21 – Ali Fethi Okyar forms new government in Turkey. (3rd government)
November 27 – In New York City the first Macy's Thanksgiving Day Parade is held.
December
December 1
A Soviet-backed communist coup attempt fails in Estonia.
George Gershwin's Lady Be Good and Fascinating Rhythm (book by Guy Bolton and Fred Thompson, lyrics by Ira Gershwin) premiere in New York, NY.
December 19 – German serial killer Fritz Haarmann is sentenced to death for a series of murders.
December 20 – In Germany Adolf Hitler is released from Landsberg Prison. Hitler served nine months for his crucial role in the Beer Hall Putsch from 1923.
December 24
An air crash at Croydon Air Field in London kills 8.
Albania becomes a republic.
A flash fire at a Christmas celebration in a one-room schoolhouse in Babbs, Oklahoma kills 36 people, mostly small children.
December 30 – Astronomer Edwin Hubble announces that Andromeda, previously believed to be a nebula, is actually another galaxy, and that the Milky Way is only one of many such galaxies in the universe.