Liu died from multiple organ failure after being denied treatment overseas. Beijing granted Xiaobo medical parole in late June after the disease had advanced to Stage IV.
"It's me, dummy Liu, no need to worry", read her last tweet on October 18, 2010.
She suffers from depression. History will remember him, be it in life or in death. On December 25, 2009, he was sentenced to 11 years in prison for "inciting subversion of state power".
Liu's main doctor said he was able to say goodbye to his wife and in his final moments told her to "live well".
Answering a barrage of questions on Friday over the death of Liu, Chinese Foreign Ministry spokesman Geng Shuang said China had lodged protests with certain countries for interfering in its judicial sovereignty.
Friends and relatives of late Nobel laureate Liu Xiaobo said on Friday they had not been able to contact his widow Liu Xia despite mounting global calls for her to be allowed to leave the country. Paintings of empty chairs referenced the empty seat at Liu Xiaobo's 2010 ceremony for the Nobel Peace Prize, which the Chinese government refused to release him to receive.
"Liu Xiaobo was a representative of ideas that resonate with millions of people all over the world, even in China". In apparent protest of the award, a group of Chinese business and cultural leaders established an alternative to the Nobel, the Confucius Peace Prize, and later honoured such human rights renegades as Vladimir Putin, Fidel Castro and Robert Mugabe.
Tributes quickly poured in for Liu.
The foreign medical team agreed that the treatment he was receiving from Chinese physicians was adequate, but argued that Liu could be safely transported overseas for cancer treatment. "We are here, with Xiaobo".
Some posted the works of Liu Xiaobo's poet and artist widow Liu Xia, who remains under house arrest, depicting mutilated dolls positioned in bleak landscapes. His love, courage and strength will never die'.
"CHRD urges the global community to do everything possible to free Liu Xia, Liu Xiaobo's wife and the love of his life", the group said in a statement on its website. "The debate over Norway's relations with China won't stop with Liu Xiaobo's death".
Liu learned of the honor from his wife during one of the limited prison visits she was permitted.
His message was spelled out in Charter 08, a petition that pointed out the failings of China's Communist Party and argued that only democracy could fix the damage caused by its authoritarian rule. The Party had labelled him a "black hand"-a hidden mastermind of disorder-but, as I wrote of Liu, in a book on China, he embraced the term as a "medal of honor".
Liu, China's best-known human rights prisoner, died Thursday at age 61 following a high-profile battle with liver cancer that made his death as controversial as his life.
"Governments would rather get along with the (Chinese Communist Party) than stand with its opponents", he said, noting that numerous largest donors to American political parties have substantial financial ties to China.
"They used Liu's illness as a tool to boost their image and demonize China", it said. "RIP", German Justice Minister Heiko Maas wrote on Twitter.
"They even see our insistence on basic human rights as making trouble for the Chinese Communist Party", he said. Ted Cruz (R-Texas), spoke about Liu on the Senate floor on Wednesday, shortly before his death.
The Chinese government has come under scrutiny for rejecting Liu's request to seek palliative care overseas.