Answer:Hope his helps!
Explanation:
1821
Mexico gains independence from Spain and difficult and chaotic years follow.
1835
Settlers in Texas revolt and fight for independence from Mexico.
October 2: Hostilities between Texas and Mexico commence with the Battle of Gonzales.
October 28: The Battle of Concepcion takes place in San Antonio.
1836
March 6: The Mexican army overruns the defenders at the Battle of the Alamo, which becomes a rallying cry for Texas independence.
March 27: Texan prisoners are slaughtered at the Goliad Massacre.
April 21: Texas gains independence from Mexico at the Battle of San Jacinto.
1844
On September 12, Antonio López de Santa Anna is deposed as President of Mexico. He goes into exile.
1845
March 1: President John Tyler signs the official proposal of statehood for Texas. Mexican leaders warn that annexing Texas could lead to war.
July 4: Texas legislators agree to annexation.
July 25: General Zachary Taylor and his army arrive in Corpus Christi, Texas.
December 6: John Slidell is sent to Mexico to offer $30 million for California, but his efforts are rebuffed.
1846
January 2: Mariano Paredes becomes President of Mexico.
March 28: General Taylor reaches the Rio Grande near Matamoros.
April 12: John Riley deserts and joins the Mexican army. Because he did so before war was officially declared, he could not legally be executed later when he was captured.