Back on December 7th, 2004, Mozilla announced the ‘birth’ of Thunderbird: MOUNTAIN VIEW, Calif. – December 7, 2004 – The Mozilla Foundation, a non-profit organization dedicated to preserving choice and promoting innovation on the Internet, today announced the worldwide availability of the Mozilla Thunderbird 1.0 email client. Thunderbird focuses on new features and settings to help stop spam and prevent viruses, the two biggest problems facing email users today. Mozilla Thunderbird follows last month’s highly successful release of Mozilla Firefox 1.0 that has been downloaded by over nine million users.