From Reuters:
Chinese authorities appeared to have lifted a block on the English-language version of online encyclopedia Wikipedia, but politically sensitive topics such as Tibet and Tiananmen Square are still off limits.
Internet users in Beijing and Shanghai confirmed on Saturday that they could access the English-language version of one of the world’s most popular websites, but the Chinese language version was still restricted.
While searches of random topics such as “Johann Sebastian Bach” and “dim sum” brought up English-language articles, sensitive words such as Tibet were met with a message that the browser was unable to connect to the Internet.