The document summarizes three important dates in Mexican history. It describes the Battle of Chapultepec on September 13th where American troops invaded the castle and Mexican children fought as heroes. On September 16th, Mexican Independence Day is commemorated to honor when Miguel Hidalgo initiated Mexico's war for independence. November 20th marks the anniversary of the start of the Mexican Revolution in 1910 led by Francisco Ignacio Madero against President Porfirio Diaz.

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2. SEPTEMER 13Battle at the Castle of ChapultepecInvasion of American troops to the castle of Chapultepec, where heroes fought the childrenForces had managed to drive the Mexicans from their positions near the base of Chapultepec Castleguarding Mexico City from the west.

3. SEPTEMBER 16Mexican Independence Day Miguel Hidalgo and Costilla, a priest in the small town of Dolores, Guanajuato, rang the church bell to gather all the people of to rise up against the Spanish Crown, thus initiating Mexico's War of Independence.

4. NOVEMBER 20 Commemoration of the Mexican RevolutionMexico as the declaration of a Mexican revolution that began on this day in 1910 due to a plan issued by a writer and revolutionist Francisco Ignacio Madero. On November 20th of 1910 Francisco Ignacio Madero started this Mexican revolution against the ruling President of Mexico at the time, Porfirio Diaz