More than 100 lawyers, intellectuals and others have signed an online petition on Mr. Du's behalf, urging the government to define clearly the country's anti-subversion law.

In February 2011, Bahraini writers, artists and intellectuals signed a statement declaring their solidarity with the Egyptian revolutionary movement.

More than 300 Saudi intellectuals - women as well as men - signed a petition in September 2003, calling for far-reaching political reforms.

Twenty Soviet intellectuals signed a letter of protest against the publication of such an "obscurantist" work.

In addition in January 1976, 78 emigrants and exiled Polish intellectuals also signed the letter, including:

On 25 November, 200 Egyptian intellectuals signed a statement condemning the media hype and political manipulation of the dispute.

More than 200 writers and intellectuals signed the original Charter - many of them were then arrested.

It was so named because 1000 Syrian intellectuals signed it.

Several other East European intellectuals signed later.

He and other nationalist intellectuals also signed a declaration demanding Karadžić and Mladić be pardoned.