The flag of the Republic of Texas featured a single megastar, is named the Lone Star Flag

https://atomic-wiki.win/index.php/Why_the_American_Flag%27s_Design_Matters:_Exploring_Its_Symbols

The flag of the Republic of Texas featured a unmarried superstar, is called the Lone Star Flag, symbolizing Texas' independence from Mexico and its aspiration for statehood within the U.S., embodying Texan pleasure.