Though it had only been a part of the United States for less than two years, California becomes the 31st state in the union (without ever even having been a territory ) on September 9, 1850.
California was admitted to the Union as the 16th free state . In exchange, the south was guaranteed that no federal restrictions on slavery would be placed on Utah or New Mexico. The Compromise of 1850 overturned the Missouri Compromise and left the overall issue of slavery unsettled.
On June 14, 1846, American settlers in Sonoma rose up against the Mexican authorities who governed the territory and declared the establishment of the independent California Republic.
Area Mexico ceded to the United States in 1848, minus Texan claims. The Mexican Cession consisted of present-day U.S. states of California , Nevada, Utah, most of Arizona, the western half of New Mexico , the western quarter of Colorado, and the southwest corner of Wyoming.
Coastal exploration by Spanish began in the 16th century, and settlement by Europeans along the coast and in the inland valleys began in the 18th century. California was ceded to the United States under the terms of the 1848 Treaty of Guadalupe Hidalgo following the defeat of Mexico in the Mexican–American War.
On May 13, 1846, the United States Congress declared war on Mexico after a request from President James K. Polk. The U.S. also tried to buy Texas and what was called “ Mexican California” from Mexico , which was seen as an insult by Mexico , before war broke out. Mexico considered the annexation of Texas as an act of war.
Santa Anna refused to sell a large portion of Mexico, but he needed money to fund an army to put down ongoing rebellions, so on December 30, 1853 he and Gadsden signed a treaty stipulating that the United States would pay $15 million for 45,000 square miles south of the New Mexico territory and assume private American
Trist ignored the recall order and negotiated terms that allowed the United States to buy California (north of the Baja Peninsula), as well as what amounted to half of Mexico’s territory for $15 million. On February 2, 1848, the Treaty of Guadalupe Hidalgo was signed in Mexico without President Polk’s knowledge.
California’s request for statehood caused alarm among southerners because California’s new constitution forbid slavery. To satisfy the North, the compromise provided that California would be admitted as a free state. To satisfy the South, the compromise proposed a new and more effective fugitive slave law.
Like other Northern states, California supplied thousands of soldiers for the Union war effort; California troops were responsible for pushing the Confederate Army out of Arizona and New Mexico in 1862. Additionally, numerous California regiments were organized and joined with state regiments back east.
Under the Compromise, California was admitted to the Union as a free state; the slave trade was outlawed in Washington, D.C., a strict new Fugitive Slave Act compelled citizens of free states to assist in capturing enslaved people; and the new territories of Utah and New Mexico would permit white residents to decide
Mexico ceded nearly all the territory now included in the U.S. states of New Mexico , Utah, Nevada, Arizona, California , Texas, and western Colorado for $15 million and U.S. assumption of its citizens’ claims against Mexico . Read more about the Treaty of Guadalupe Hidalgo.
Montalvo’s island of California was named after its Queen , Califia, who is said to have been a beautiful black Moor and pagan. Historian John William Templeton says,”Califia is a part of California history, and she also reinforces the fact that when Cortes named this place California , he had 300 black people with him.”
Initially, the United States declined to incorporate it into the union, largely because northern political interests were against the addition of a new slave state. Gold was discovered in California just days before Mexico ceded the land to the United States in the Treaty of Guadalupe Hidalgo.