WHAT ALL HAPPENED JANUARY TO DECEMBER 1911
Find out what all happened January to December 1911

Mexican President Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, and thus concluding the initial phase of the Mexican Revolution. (21. May 1911)

Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California. (29. August 1911)

Omega Psi Phi Fraternity Incorporated, which is the first black Greek-lettered organization founded at an American historically black college or university, was founded on the campus of Howard University in Washington, D.C. (17. November 1911)

The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship. (1. September 1911)

An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship. (25. September 1911)

"Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress. (27. December 1911)

The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution. (31. May 1911)

The first official flight with air mail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2 mi) away. (18. February 1911)

Richard Strauss' opera Der Rosenkavalier receives its debut performance at the Dresden State Opera. (26. January 1911)

Germany despatched the gunship Panther to Morocco, sparking the Agadir Crisis. (1. July 1911)

The M1911 .45 ACP pistol becomes the official U.S. Army side arm. (29. March 1911)

French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum. (7. September 1911)

King George V and Mary of Teck are enthroned as Emperor and Empress of India. (12. December 1911)

Italy declares war on the Ottoman Empire. (29. September 1911)

Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf. (14. January 1911)

The first dropping of a bomb from an aircraft in combat, during the Italo-Turkish War. (1. November 1911)

Chevrolet officially enters the automobile market in competition with the Ford Model T. (3. November 1911)

Roald Amundsen' s team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole. (14. December 1911)

International Women's Day is launched in Copenhagen, Denmark, by Clara Zetkin, leader of the Women's Office for the Social Democratic Party in Germany. (8. March 1911)

Kappa Alpha Psi, the world's second oldest and largest black fraternity, is founded at Indiana University. (5. January 1911)