When do the one direction celebrate there anniversary?

The band One Direction celebrated their anniversary on July 23. The band was formed on that day in 2010 when the five members, Niall Horan, Zayn Malik, Liam Payne, Harry Styles, and Louis Tomlinson, came together during the seventh season of the British version of "The X Factor." Although they didn't win the competition, their popularity led to a successful music career with numerous studio albums and hit singles. One Direction later announced their hiatus in 2015, allowing the members to pursue their respective solo careers.