In January 2005, Gary Wang, the former director of Bertelsmann AG’s corporate development and CEO of BOL China started to set up the preliminary structure of Tudou in Shanghai.
In April 2005, Tudou’s online video platform was officially launched, with its original domain name as www.toodou.com. According to the Gartner Report, Tudou was the first user generated content (“UGC”) and video sharing site launched in China.
In December 2005, Tudou raised $0.5 million USD in Series A financing from IDG Technology.
In 2005, Tudou was rated by Fortune China Magazine as China’s cool company.
In March 2006, Tudou made the official launch of Toodou Ad. By signing up as Toodou Ad’s user, the audio or video clips he delivered will be incorporated with short advertisements. Every single click of that clip will produce financial rewards for the user.
In May 2006, Tudou completed its $8.5 million USD Series B financing from IDG Technology, GGV, and Jafco Asia.
In September 2006, Tudou announced to officially change its original domain name to www.tudou.com.
In April 2007, Tudou completed its $19.0 million USD Series C financing from General Catalyst, Capital Today, GGV, Jafco Asia, IDG Technology, KTB China, and CA-JAIC.
In July 2007, the advertising system of Tudou was officially launched and the sales operation kicked off.
In December 2007, Tudou’s monthly unique visitors reached approximately 50 million, according to iResearch.
In 2007, Tudou was granted with iResearch New Marketing Prize as the best video web-based media in 2007.
In 2007, Tudou was recognized by iResearch as one of the Top 10 New Media for Best Marketing Value.
In April 2008, Tudou completed its $56.8 million USD Series D financing from Crescent Peak, Venrock, GGV, General Catalyst, IDG Technology, and CA-JAIC.
In April 2008, the Annual Tudou Video Festival was held in Moganshan, Zhejiang province, China.
In September 2008, Tudou received the license for dissemination of audio/video program via information network granted by the State Administration of Radio Film and Television (“SARFT”).
In the same month, the official launch of the HD video platform, Heidou, made Tudou the first video-sharing website offering a HD video platform in China.
On February 12, 2009, Tudou announced the official launch of advertisement profit-sharing system in Beijing, through which a large group of content providers and podcasters share the profits arising from advertising.
In April 2009, the Annual Tudou Video Festival was held in Shanghai, China, jointly sponsored by Tudou and China Film Group Corporation. Nearly a thousand visitors were present at Hua Yuanfang Shanghai where the event took place.
In June 2009, Tudou was among the Top 50 entrepreneurial companies rated by Business Week magazine.
On July 30, 2009, Tudou announced an overall website revamp on which its front page and 14 vertical channels would change their appearance completely.
On October 14, 2009, Tudou launched its 3G strategy aimed at tailor-making the first video genie application for Nokia N97.
On October 23, 2009, Tudou publicly stated that it would officially become the exclusive operating partner and content provider of the original video channel of CMVIDEO.com.
On November 9, 2009, Tudou’s valuation of 500 million USD made it the only Chinese web-based enterprise to enter the list of the 60 most valuable innovative websites worldwide accredited by the well-reputed sci-tech blog Silicon Alley Insider.
On December 4, 2009, the grand award ceremony of Tudou Video Marketing Prize 2009 was held in Beijing with the participation of nearly a thousand people. The case of “Nokia Millionaire” was granted with the Annual Prize.
On February 3, 2010, Tudou co-hosted a press conference with Youku in Beijing to announce the official launch of “online video hook-up mode”.
In April 2010, SFIT published its Internet Survey Report in which Tudou defended its title as the top brand of all video websites in China.
In April 2010, the grand award ceremony of Tudou Video Festival 2010 was held in Beijing.
In July 2010, Tudou completed its $50 million USD Series E financing from Crescent Peak, Venrock, General Catalyst, IDG Technology, and Sennett Investments.
Tudou was accredited as the first option Chinese video website for global users by Nielsen.
In December 2010, Tudou’s monthly unique visitors reached approximately 182 million, according to iResearch.
In early 2011, Tudou implemented the so-called “Beijing-Shanghai dual headquarters strategy”.
In May 2011, the grand award ceremony of Tudou Video Festival 2011 was held in Beijing.
In August 2011, Tudou completed its $174 million USD Initial Public Offering (“IPO”) on the NASDAQ Global Markets under the symbol “TUDO”.
On August 22, 2011, Tudou Original Programming Center was established.
On October 18, 2011, Tudou and LETV reached a preliminary agreement on strategic cooperation.
On October 27, 2011, Tudou had an official cooperation with China Telecom Shanghai Branch. All China Telecom fiber optic network users in Shanghai could upload their videos at Tudou at a speed of 4Mb/s, or 4 to 8 times as fast as the upload speed at other video website.
On November 24, 2011, Tudou announced an exclusive cooperation agreement that had been reached with CTITV which entitled Tudou with exclusive right of distributing five top Taiwanese variety shows including “Here Comes Kangxi” via mainland websites beginning from December 1.
On November 28, 2011, Tudou came to an agreement with Japan’s TV Tokyo which would entitle Tudou with an exclusive dealership right to broadcast synchronously more than 60 cartoon programs produced by TV Tokyo, such as Naruto, Bleach, Gintama.
On December 2, 2011, Tudou announced that the brand new interactive entertainment real-time broadcast platform “Channel Dou”, developed and operated by Tudou Original Programming Center was officially launched.
In December 2011, Tudou’s monthly unique visitors reached approximately 200 million, according to iResearch.
On February 3, 2012, Tudou presented the enhanced video sharing platform for SINA Twitter users with which these users were able to upload and share their videos via Tudou.
On March 7, 2012, Tudou announced that the Company has entered into an agreement to license broadcasting rights for its self-produced webisode series Love Oh Dear I Do, to Shenzhen Media Group and China Anhui TV Station. This marks the first time that an online video company in China has successfully sold the broadcasting distribution rights for a self-produced webisode series to Chinese TV networks for broadcasting during prime time.
On March 12, 2012, Tudou and Youku declared their merger by way of 100% stock-for-stock transaction. NASDAQ closed down on Monday as Tudou’s stock soared by 156.53%, hitting historic high with a share price of 39.48 USD. Youku also jumped by 27.35% and closed at 31.85 USD.
In April 2012, Tudou and CCTV Sports reached an agreement of strategic cooperation on London Olympic broadcasting. Both sides agreed to carry out comprehensive and deep cooperation through the major special program “361° London Action” to be presented by the sports channel of CCTV.
On April 21, 2012, Youku and Tudou started to share their user accounts with each other. This act shows that the two websites’ merger has kicked off at the users’ level.
On June 2, 2012, the grand award ceremony of the 5th annual Tudou Video Festival, with the slogan of “Be Creative and Live,” was held in Chengde, Hebei. Gary Wang, CEO of Tudou and Victor Koo, CEO of Youku presented together the "Chengde Protocol", calling for increased diligence on the part of the media industry and audiences alike, to further safeguard copyrights, eliminate piracy and protect the common interest of the entertainment industry.
In June 2012, Apple launched the new iOS6 mobile operation system and Mountain Lion desktop operation system both of which were embedded with Tudou and Youku video sharing application. These are the only two websites that have had their video sharing services embedded on Apple systems in China.
In June 2012, Tudou, Youku, QQ Video, iQIYI and PPTV jointly created the “Five-Star for First Show” group buying model for copyrighted films and TV dramas during Shanghai Television Festival.
On August 23, 2012, Youku Tudou Inc. (NYSE:YOKU), (and formerly Youku Inc.) and Tudou Holdings Limited (Nasdaq:TUDO) announced the completion of the merger. As a result, Tudou has become a wholly owned subsidiary of Youku. Youku's name was changed from "Youku Inc." to "Youku Tudou Inc." at the effective time of the merger.