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The whole states of California, Nevada, Utah, Arizona, New Mexico and Texas, as well as parts of Wyoming, Colorado, Oklahoma and Kansas.
Texas was lost during the Texas Revolution (1835-1836). Territory of Texas at the time included present-day Texas, as well as those parts of Oklahoma, Kansas, Colorado and Wyoming described above.
During the Mexican-American War (1846-1848) Mexico lost all the remaining territories, including present-day California, Nevada, Utah and the rest of Colorado as well as most of northern New Mexico and Arizona. Also at the end of the war Mexico was forced to cease any attempt on reclaiming Texas. This is also known as the Mexican Cession (1848).
What else can I help you with?
Which was not part of the treaty ending the Mexican-American War in 1848?
The Nueces River became the border between Mexico and Texas.
California was part of what country before 1848?
California was part of mexico in the 1840's
Was mexico part of California?
No, California was part of Mexico until the ratification of the Treaty of Guadalupe Hidalgo in 1848.
Was Oklahoma purchased from Mexico or not?
No. A small section of Oklahoma was part of Texas, which was lost by Mexico during the Texas Revolution (1835-1836) and eventually became part of the United States after the Mexican-American War (1846-1848).
What part of New Mexico is not part of the US?
New Mexico is a state which belongs to the United States since 1848. It was part of the country of Mexico, and was acquired after the Mexican-American War (1846-1848). Mexico, the country from which New Mexico was acquired, is an independent country south of the United States. Its capital is Mexico City.
Is mcallen TX still part of Mexico?
Since 1848 it has been part of the US.
Why did Arizona become part of Mexico?
Arizona was formed from land that the US obtained from Mexico after the Mexican American War.
Sonora is to Mexico as Idaho is to what?
Oregon. New Mexico was part of Mexico until 1848 and Idaho was part of Oregon until 1846.
When did Mexico still thinks of Texas as a part of Mexico?
Until 1848, when the treaty of Guadalupe-Hidalgo was signed.
What was New Mexico like before it became a state?
Prior to becoming a state New Mexico was home to many people including Native Americans. The state was also explored and colonized by Spain. There was also many revolts and wars. Then it became Mexican territory.
When did the US take over New Mexico?
The American Army occupied Mexico City in about 1848. The commander of that army was Gen Winfield Scott, who was assigned to be Governer-General of Mexico until a state department person took over a few months later.
What state was part of Mexico until 1912?
None. New Mexico, which was lost during the Mexican-American War in 1848, became a state in 1912 but it had already been a territory of the United States for the previous 64 years.
