National Brandon Day is observed annually on April 24 to celebrate the name "Brandon," which is a common masculine name in English-speaking countries. Over three million Americans bear this name, with a significant number residing in Texas. The name has Celtic and Anglo-Saxon roots, meaning "brave" or "king," and is predominantly used as a first name. Notable figures associated with the name include actor Brandon Lee, known for his role in 90s action films, and Brandon Flynn, who played Justin Foley in the Netflix series "13 Reasons Why." The day serves as an appreciation for those named Brandon, although specific customs or traditions associated with the celebration are not detailed in the text.