Searching for a name meaning massive data, they chose "Googol" (a 1 followed by 100 zeros). A misspelling while checking domain availability gave birth to "google.com" on September 15, 1997.
While incorporated on September 4, Google shifted its celebration date over the early years. Since 2006, September 27 has remained the official birthday, marking a historic web indexing milestone.
From Gmail, Maps, and Chrome to YouTube and Android, Google outgrew search—restructuring under parent company Alphabet Inc. in 2015 to power billions of everyday interactions.