The alternative to continued Communist rule is revolution, but the prospects for this look distant.

ECONOMIST: Cuba

Until recently, most archeologists continued to ascribe the Neolithic revolution to a combination of climatic and demographic factors.

NEWYORKER: The Sanctuary

After the czar died in 1894, his son Nicholas continued the tradition until the 1917 revolution.

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She has continued her efforts to preserve the revolution records and pursue its thieves, for which she says she has received death threats.

CNN: Glancing Back

He said he was willing to "radicalise" the revolution if the violence continued, while a crowd was cheering and chanting "They won't come back!"

BBC: Venezuela election: Rival camps drum up support

Islamic renewal cannot be...successfully continued and concluded without a political revolution.

ECONOMIST: Alija Izetbegovic

The 1989 death edict against the British author Salman Rushdie - imposed by the leader of the Iranian Revolution, Ayatollah Khomeini - continued to blight relations with Europe for almost a decade.

BBC: West watches Iran

The recent scientific work on the expenditure multiplier is aligned with the Ricardian equivalence theorem as well as the views of the Austrian economists who continued to follow Ricardo even when the Keynesian revolution was ascendant.

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Despite this, he continued to work throughout his life, becoming a champion of the digital revolution, and attending to the photography that he described as his "calling".

BBC: Lord Lichfield enjoyed a glamorous lifestyle

Real Tennis continued to grow in popularity and was widely played in the 17th and 18th century, but by the French Revolution and with European royal families besieged, interest dwindled.

CNN: A short history of tennis: Henry VIII to Federer the great