5 April 2008, the Chinese Wikipedia became difficult to access from the Sun Yat-Sen University in Guangzhou. Connections to the Chinese Wikipedia were completely blocked as of 6 April 2008. Any attempt to access the Chinese Wikipedia resulted in a 60-second ban on all Wikimedia websites. However, users were able to log on to the Chinese Wikipedia using https. All other languages were accessible, but politically sensitive searches such as Tibet were still blocked. On 3 July 2008, the government lifted the ban on accessing the Chinese Wikipedia. However, some parts were still inaccessible. On 31 July 2008, BBC reported that the Chinese Wikipedia had been unblocked that day in China; it had still been blocked the previous day. This came within the context of foreign journalists arriving in Beijing to report on the upcoming Olympic Games, and websites like the Chinese edition of the BBC were being unblocked following talks between the International Olympic Committee and the Games' Chinese organizers. Fourth block On 19 May 2015, both the encrypted and unencrypted Chinese-language versions of Wikipedia were blocked. Fifth block On 23 April 2019, all versions of Wikipedia were blocked in China. Controversy and criticism 2006 allegations of self-censorship In December 2006, the International Herald Tribune Asia-Pacific published an article saying that sensitive topics received subdued treatment on the Chinese Wikipedia. On 1 December 2006, The New York Times published another report by Howard W. French, titled "Wikipedia lays bare two versions of China's past." The report was subsequently repeated by CBS and by Chinese-language media outlets such as the Apple Daily in Taiwan. Some Chinese Wikipedians then tried to clarify the situation. One Chinese Wikipedian sent a comment that was subsequently published in the Apple Daily in Taiwan. The comment stated: In another email addressed to the Wikimedia Foundation mailing list, a Chinese Wikipedian stated: Previous proposals to self-censor the Chinese Wikipedia in light of the P. R. Chinese government's censorship policies have been made before, but were overwhelmingly rejected by the community. 2010 Administrator Controversy In April 2010, Hong Kong newspaper Ming Pao reported the large-scale censorship of contents about 1989 Tiananmen Square protests and massacre and Hong Kong related contents in which an administrator named "Shizhao" ("百無一用是書生" a.k.a. "時昭") was involved. The report also mentioned the failed recall of the administrator. In a follow-up, Ming Pao interviewed Shizhao and stated that he was not a member of