January
Main article: January 1911
through mid-January 1911. (started Dec. 31, 1910). 1911 First Industrial Airplane Show held in conjunction with the U.S. International Auto Show at Manhattan’s Grand Central Palace in New York.Mr. Charles W. Chappelle (1872–1941), a member of the U.S. Aeronautical Reserve, was the only African-American to invent and display an airplane for which he won a medal. January 3 – 1911 Kebin earthquake: An earthquake of 7.7 moment magnitude strikes near Almaty in Russian Turkestan, killing 450 or more people. January 5 – Kappa Alpha Psi Fraternity was founded at Indiana University in Bloomington, Indiana January 18 – Eugene B. Ely lands on the deck of the USS Pennsylvania stationed in San Francisco harbor, marking the first time an aircraft lands on a ship.
January 26 – The United States and Canada announced the successful negotiation of their first reciprocal trade agreement.
February
Main article: February 1911
February 13 – HNK Hajduk Split, a Croatian football club is founded.
February 17 – The first "quasi-official" airmail flight occurs when Fred Wiseman carries three letters between Petaluma and Santa Rosa, California.
February 18 – The first official air mail flight, second overall, takes place from Allahabad, India to Naini, India, when Henri Pequet carries 6,500 letters a distance of 13 km.
March
Main article: March 1911
March 18 – International Women's Day is celebrated for the first time. March 25 – The Triangle Shirtwaist Factory fire in New York City kills 146.
March 29 – The United States Army adopts a new service pistol, the M1911 designed by John Browning. It remains the US service pistol for 74 years.
April
Main article: April 1911
April 3 – Jean Sibelius leads his Fourth Symphony premiere in Helsinki
April 8 – Heike Kamerlingh Onnes discovers Superconductivity. He presented his findings on April 28, 1911. April 13 – Mexican Revolution: Rebels take Agua Prieta on the Sonora–Arizona border; government troops take the town back April 17 when the rebel leader "Red" López is drunk.
April 19 – Mexican Revolution: Francisco I. Madero's troops besiege Ciudad Juárez but General Juan J. Navarro refuses his surrender demand.
April 26 – HŠK Građanski Zagreb (today GNK Dinamo), a Croatian football club is founded in Zagreb.
April 27 – Huanghuagang Uprising takes place in China. This was an insurrection where rebels in China took five Chinese villages in an attempt to create a power base to fight Imperial rule. Those who died are remembered as "The 72 Martyrs." It is also called the Second Guangzhou Uprising and the Yellow Flower Mound Revolt.
May
Main article: May 1911
May 8 – Mexican Revolution: Pancho Villa launches an attack against government troops in Ciudad Juárez without Madero's permission; the government troops surrender on May 10.
May 17 – Mexican Revolution: Porfirio Díaz is convinced to resign but does not do so yet.
May 21 – Mexican Revolution: A peace treaty is signed between Madero' rebels and government troops in Ciudad Juárez.
May 24 – Mexican Revolution: Government troops fire at anti-Diaz demonstrators in Mexico City, killing about 200 (officials claim only 40).
May 25 – Mexican Revolution: Porfirio Díaz signs his resignation and leaves for Veracruz; on May 31 he leaves for exile in France.
May 30 – The very first Indianapolis 500, won by Ray Harroun at an average speed of 74.59 miles per hour.
May 31 – The hull of the RMS Titanic is launched.
June
Main article: June 1911
June 7 – Mexican Revolution: Francisco Madero arrives in Mexico City just after a local earthquake.
June 22 – George V is crowned King of the United Kingdom and the British Dominions.
July
Main article: July 1911
July 1 – The presence of the German warship Panther in the Moroccan port of Agadir triggers the Agadir Crisis.
July 24 – Hiram Bingham rediscovers Machu Picchu in Peru.
August
Main article: August 1911
August 21 – Leonardo da Vinci's Mona Lisa is stolen from the Louvre museum in Paris by Vincenzo Peruggia; the theft is discovered the following day.
September
Main article: September 1911
September 25 – The French Navy ship Liberté explodes at anchor in Toulon, France, killing around 300 on both ship and the neighbouring area.
September 29 – Italy declares war on Ottoman Empire.
October
Main article: October 1911
October 7 ; The liberal leader Karl Staaff returns as Prime Minister of Sweden.
October 10 – The Wuchang Uprising starts the Xinhai Revolution that leads to the founding of the Republic of China.
October 16 – Mexican Revolution: Felix Diaz, nephew of Porfirio Díaz, occupies the port of Veracruz as a sign of rebellion against Madero.
November
Main article: November 1911
November 1 – World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
November 5 – Italy annexes Tripoli and Cyrenaica (this act is confirmed by an act of the Italian Parliament on February 25, 1912).
November 4 – Treaty of Berlin brings the Agadir Crisis to a close. This treaty led Morocco to be split between France (as a protectorate) and Spain (as the colony of Spanish Sahara) with Germany forfeiting all claims to Morocco. In return, France gave Germany a portion of the French Congo (as Kamerun) and Germany ceded some of German Kamerun to France (as Chad).
December
Main article: December 1911
Roald Amundsen reaches the South Pole
Franz Marc, Blaues Pferd, 1911
December – Delhi Durbar held to mark the coronation of George V and Queen Mary as Emperor and Empress of India and the transfer of the capital of British India from Calcutta to Delhi.
December 14 – Roald Amundsen's expedition reaches the South Pole.
December 18 – Opening of first exhibition by Der Blaue Reiter group of painters, in Munich.
December 29 – Sun Yat-sen is elected the Provisional President of the Republic of China.
Main article: January 1911
through mid-January 1911. (started Dec. 31, 1910). 1911 First Industrial Airplane Show held in conjunction with the U.S. International Auto Show at Manhattan’s Grand Central Palace in New York.Mr. Charles W. Chappelle (1872–1941), a member of the U.S. Aeronautical Reserve, was the only African-American to invent and display an airplane for which he won a medal. January 3 – 1911 Kebin earthquake: An earthquake of 7.7 moment magnitude strikes near Almaty in Russian Turkestan, killing 450 or more people. January 5 – Kappa Alpha Psi Fraternity was founded at Indiana University in Bloomington, Indiana January 18 – Eugene B. Ely lands on the deck of the USS Pennsylvania stationed in San Francisco harbor, marking the first time an aircraft lands on a ship.
January 26 – The United States and Canada announced the successful negotiation of their first reciprocal trade agreement.
February
Main article: February 1911
February 13 – HNK Hajduk Split, a Croatian football club is founded.
February 17 – The first "quasi-official" airmail flight occurs when Fred Wiseman carries three letters between Petaluma and Santa Rosa, California.
February 18 – The first official air mail flight, second overall, takes place from Allahabad, India to Naini, India, when Henri Pequet carries 6,500 letters a distance of 13 km.
March
Main article: March 1911
March 18 – International Women's Day is celebrated for the first time. March 25 – The Triangle Shirtwaist Factory fire in New York City kills 146.
March 29 – The United States Army adopts a new service pistol, the M1911 designed by John Browning. It remains the US service pistol for 74 years.
April
Main article: April 1911
April 3 – Jean Sibelius leads his Fourth Symphony premiere in Helsinki
April 8 – Heike Kamerlingh Onnes discovers Superconductivity. He presented his findings on April 28, 1911. April 13 – Mexican Revolution: Rebels take Agua Prieta on the Sonora–Arizona border; government troops take the town back April 17 when the rebel leader "Red" López is drunk.
April 19 – Mexican Revolution: Francisco I. Madero's troops besiege Ciudad Juárez but General Juan J. Navarro refuses his surrender demand.
April 26 – HŠK Građanski Zagreb (today GNK Dinamo), a Croatian football club is founded in Zagreb.
April 27 – Huanghuagang Uprising takes place in China. This was an insurrection where rebels in China took five Chinese villages in an attempt to create a power base to fight Imperial rule. Those who died are remembered as "The 72 Martyrs." It is also called the Second Guangzhou Uprising and the Yellow Flower Mound Revolt.
May
Main article: May 1911
May 8 – Mexican Revolution: Pancho Villa launches an attack against government troops in Ciudad Juárez without Madero's permission; the government troops surrender on May 10.
May 17 – Mexican Revolution: Porfirio Díaz is convinced to resign but does not do so yet.
May 21 – Mexican Revolution: A peace treaty is signed between Madero' rebels and government troops in Ciudad Juárez.
May 24 – Mexican Revolution: Government troops fire at anti-Diaz demonstrators in Mexico City, killing about 200 (officials claim only 40).
May 25 – Mexican Revolution: Porfirio Díaz signs his resignation and leaves for Veracruz; on May 31 he leaves for exile in France.
May 30 – The very first Indianapolis 500, won by Ray Harroun at an average speed of 74.59 miles per hour.
May 31 – The hull of the RMS Titanic is launched.
June
Main article: June 1911
June 7 – Mexican Revolution: Francisco Madero arrives in Mexico City just after a local earthquake.
June 22 – George V is crowned King of the United Kingdom and the British Dominions.
July
Main article: July 1911
July 1 – The presence of the German warship Panther in the Moroccan port of Agadir triggers the Agadir Crisis.
July 24 – Hiram Bingham rediscovers Machu Picchu in Peru.
August
Main article: August 1911
August 21 – Leonardo da Vinci's Mona Lisa is stolen from the Louvre museum in Paris by Vincenzo Peruggia; the theft is discovered the following day.
September
Main article: September 1911
September 25 – The French Navy ship Liberté explodes at anchor in Toulon, France, killing around 300 on both ship and the neighbouring area.
September 29 – Italy declares war on Ottoman Empire.
October
Main article: October 1911
October 7 ; The liberal leader Karl Staaff returns as Prime Minister of Sweden.
October 10 – The Wuchang Uprising starts the Xinhai Revolution that leads to the founding of the Republic of China.
October 16 – Mexican Revolution: Felix Diaz, nephew of Porfirio Díaz, occupies the port of Veracruz as a sign of rebellion against Madero.
November
Main article: November 1911
November 1 – World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
November 5 – Italy annexes Tripoli and Cyrenaica (this act is confirmed by an act of the Italian Parliament on February 25, 1912).
November 4 – Treaty of Berlin brings the Agadir Crisis to a close. This treaty led Morocco to be split between France (as a protectorate) and Spain (as the colony of Spanish Sahara) with Germany forfeiting all claims to Morocco. In return, France gave Germany a portion of the French Congo (as Kamerun) and Germany ceded some of German Kamerun to France (as Chad).
December
Main article: December 1911
Roald Amundsen reaches the South Pole
Franz Marc, Blaues Pferd, 1911
December – Delhi Durbar held to mark the coronation of George V and Queen Mary as Emperor and Empress of India and the transfer of the capital of British India from Calcutta to Delhi.
December 14 – Roald Amundsen's expedition reaches the South Pole.
December 18 – Opening of first exhibition by Der Blaue Reiter group of painters, in Munich.
December 29 – Sun Yat-sen is elected the Provisional President of the Republic of China.