July 15 has been the date of several notable events throughout history, but one of the most influential in modern communication happened in 2006 when Twitter officially launched to the public.

Originally created as a simple platform for users to post short status updates of 140 characters or less, Twitter quickly evolved into one of the world’s most influential social media platforms. The service became a hub for breaking news, emergency alerts, entertainment, sports and public conversation, fundamentally changing how information is shared in real time.

The platform’s first tweet was posted months earlier on March 21, 2006, by co-founder Jack Dorsey, who wrote, “just setting up my twttr.” The public launch on July 15 marked the beginning of what would become a global communications tool used by millions of people.

Over the years, Twitter played a major role in covering elections, natural disasters, sporting events and other major world events, often delivering news faster than traditional media outlets.

In 2023, the platform was rebranded as X, though many people still commonly refer to it by its original name.

Nearly two decades after its public debut, the platform continues to influence how people communicate and consume news around the world.