Sina Weibo Sina Weibo Sina Weibo () is a Chinese microblogging (weibo) website. Launched by Sina Corporation on 14 August 2009, it is one of the most popular social media platforms in China. As of Q3 2018, Sina Weibo has over 445 million monthly active users, with surging stocks, advertising sales, revenue and total earnings in the quarter. At the start of 2018, it surpassed US$30 billion market valuation mark for the first time. In March 2014, Sina Corporation announced a spinoff of Weibo as a separate entity and filed an IPO under the symbol WB. Sina carved-out part 11% of Weibo
Han Jian (Weibo warlord) was then named Han Junxiong) was a long-time officer at Weibo Circuit, and seized control of the circuit when the soldiers mutinied in 870 against then-military governor ("Jiedushi") He Quanhao and killed He Quanhao due to He Quanhao's harsh discipline. Han Jian became deputy military governor after his father became military governor. After Han Yunzhong died in 874, the Weibo soldiers supported Han Jian to succeed him, and then-ruling Emperor Xizong agreed, making Han Jian acting military governor initially, and then full military governor in 875. He gave Han Jian the honorary chancellor designation of "Tong Zhongshu Menxia Pingzhangshi" (同中書門下平章事)