Julian Assange's four years in the Ecuadorian embassy in London are being marked by events around the world tonight.
Songs, speeches and readings have been held simultaneously in cities including Paris, Berlin and Madrid.
The WikiLeaks founder has been holed up in the Ecuadorian embassy in west London since June 2012.
He remains wanted for questioning in Sweden over allegations he sexually assaulted two women in 2010, which he denies.
The 44-year-old, originally from Australia, fears he could be extradited to the United States for questioning about WikiLeaks if he leaves the embassy.
Earlier this year, a UN group found that Sweden and the UK were violating Assange's human rights, and called for the activist to be released and compensated for detaining him without charge.
