-Oct 2010 - began as a project at the Tencent Guangzhou Research and Project center The original name of the app, "Weixin", was invented by Xiaolong Zhang and named by Ma Huateng -In May 2011- Weixin had 4 to 5 million users and by the end of 2011, it had 50 million users. WeChat had more than 100 million users by March 2012.
-In April 2012 - Weixin re-branded/renamed as WeChat for the International market. September 2012 - WeChat had more than 200 million users according to Tencent CEO, Ma Huateng. January 2013, it had 300 million user.
-April 2013 - Rumors online speculated that WeChat would charge a fee for the app. A poll showed that 90% of users strongly opposed this move. WeChat currently is free to download and use
In May 2013 - It was revealed that Rainie Yang would be a product endorser for WeChat. To promote the app in India, WeChat recruited Bollywood actors Varun Dhawan and Parineeti Chopra as brand ambassadors.
In July 2013 - Tencent announced WeChat has 70 million users outside China and Lionel Messi became the latest product ambassador of WeChat.
In July 2013 - Tencent announced to test Games within WeChat.
5 July 2013 - Tencent announced WeChat 5.0 for iOS. 5 August 2013 - WeChat 5.0 was launched with new features and functions including payment center, games center and sticker shop.
-In June 2014 - WeChat closed 20 million accounts because they offered prostitution services. -On 30 September 2014 - WeChat 6.0 was launched with new features and functions include Sight capture and share.