See the link.
Because when it gained its independence, it became a state.
Texas became a state in 1836.
Texas
* The Republic of Texas was created in 1836. * The State of Texas became a state within the United States in 1845.
The U.S. Congress approved, and President James K. Polk signed, the 'Joint Resolution for the Admission of the State of Texas into the Union.' Texas became the 28th state.
"People from the U.S. settled in Texas," this event would eventually lead to the others.
Texas!
they became a state in 1845.
Texas
Bob Bullock Texas State History Museum was created in 2001.
28th
He became the Governor in 1859.