Complex sentence: This flag was introduced to the Congress of the Republic of Texas on December 28,1838, by Senator William H. Wharton and was adopted on January 25,1839 as the final national flag of the Republic of Texas.
Split into simpler sentences: This flag was introduced to the Congress of the Republic of Texas on December 28,1838, by Senator William H. Wharton. It was adopted on January 25,1839 as the final national flag of the Republic of Texas.