1998 165438+ The company was established in 10. 1999 Tencent officially launched the first version of QQ99 in February. 1999165438+10, the number of registered QQ users exceeded/kloc-0,000,000 in October. In April 2000, the number of registered QQ users reached 5 million. In May 2000, the number of simultaneous online users of QQ exceeded100000 for the first time. In 2000, QQ2000 was officially released in June 165438+ 10. In March 2002, the number of registered QQ users exceeded 654.38 billion. QQ game was launched in August 2003. In September 2003, the enterprise-level real-time communication product "Tengxuntong" was launched. Tencent TM was released in June 5438+February 2003. In April 2004, the number of registered QQ users reached a new peak, exceeding 300 million. In June 2004, Tencent was listed on the main board of Hong Kong. Tencent TT was launched in June 2004. In February 2005, the highest number of simultaneous online users of Tencent QQ exceeded100000. The official version of QQ2005 was released in Beijing from June 5, 2005 to 10. Foxmail was launched in June 2005 +065438+ 10. In June 2006, 165438+ 10 launched the super cyclone. QQ Doctor was launched in June 5438+February 2006. QQ Calendar was launched in July 2007. In June, 2008, 165438+ 10 launched the QQ pinyin input method.