The attached screenshots show that, as the 25th anniversary of the events surrounding June 4, 1989 approached, Baidu's search result pages for "Tiananmen 25th Anniversary" (天安门 25周年） changed.
On May 15, 2014, the first search result page showed no censorship notice and 10 results, and claimed a total of about 2,220,000 total results.
On May 30, 2014, the first search result page showed no censorship notice and five results, and claimed a total of about 2,130,000 results.
On June 4, 2014, the first search result page showed a censorship notice and 10 results, and claimed a total of about 36,800,000 total results.
On May 15, 2014, the first search result page showed no censorship notice and 10 results, and claimed a total of about 2,220,000 total results.
On May 30, 2014, the first search result page showed no censorship notice and five results, and claimed a total of about 2,130,000 results.
On June 4, 2014, the first search result page showed a censorship notice and 10 results, and claimed a total of about 36,800,000 total results.