Editing 1911 (section)

=== May ===
{{Main|May 1911}}
* [[May 8]]&nbsp;&ndash; [[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 13]]&ndash;[[May 15|15]]&nbsp;&ndash; [[Mexican Revolution]]: [[Torreón massacre]]&nbsp;&ndash; Over 300 [[Chinese people|Chinese]] residents are massacred by the revolutionary forces of [[Francisco I. Madero]], in the Mexican city of [[Torreón]].
* [[May 15]]&nbsp;&ndash;[[Standard Oil]] is dissolved by the [[Supreme Court of the United States]] into 34 separate oil companies including [[ExxonMobil|Exxon]], [[Mobil]], [[ChevronTexaco|Chevron]], [[Texaco Company|Texaco]], and others due to violation of the [[Sherman Anti-Trust Act]]
* [[May 17]]&nbsp;&ndash; [[Mexican Revolution]]: [[Porfirio Díaz]] is convinced to resign, but does not do so yet.
* [[May 21]]&nbsp;&ndash; [[Mexican Revolution]]: In [[Ciudad Juárez]], a peace treaty is signed between Madero's rebels and government troops.
* [[May 24]]&nbsp;&ndash; [[Mexican Revolution]]: Government troops fire at anti-Diaz demonstrators in Mexico City, killing about 200 (officials claim only 40).
* [[May 25]]&nbsp;&ndash; [[Mexican Revolution]]: [[Porfirio Díaz]] signs his resignation and leaves for [[Veracruz]]; on [[May 31]] he leaves for exile in France.
* [[May 30]]&nbsp;&ndash; The first [[Indianapolis 500]] automobile race is held in the United States, won by [[Ray Harroun]] at an average speed of 74.59 miles per hour.
* [[May 31]]&nbsp;&ndash; The hull of the {{RMS|Titanic}} is launched in [[Belfast]], on the same day {{RMS|Olympic}} starts her sea trials.