The flag was adopted as the state flag when Texas became the 28th state in 1845. As with the flag of the United States, the blue stands for loyalty, the white represents strength, and the red is for bravery. Texas anthem: “Texas, Our Texas” written by William J. Marsh and Gladys Yoakum Wright and composed by William J. Marsh. With this video you can see the flag and hear the anthem. Good for all students.