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Weibo

Weibo

Weibo

2009

14

August

Sina launched Sina Weibo.

2010

01

December

Sina Weibo experienced an outage,

2013

01

January

Sina Weibo and Alibaba China signed a strategic cooperation agreement.

2013

01

April

Sina officially announced that Sina Weibo had signed a strategic cooperation agreement with Alibaba.

2013

09

April

Alibaba Group acquired 18% of Sina Weibo.

2014

01

March

Sina Corporation announced a spinoff of Weibo as a separate entity.

2017

01

March

Sina launched Sina Weibo International Version.

2018

01

June

Sina Weibo had 413 million active users.

2018

01

November

Sina Weibo suspended its registration function for minors under the age of 14.

Sina Weibo announced that it would launch a two-month campaign to clean up pornographic and vulgar information.