In 2006, riot police had to be brought in to quell significant unrest after a damning report by the then Chief Inspector of Prisons, Anne Owers.
As an influential captain at Hearts, Pressley famously read out a public statement which pointed to "significant unrest" within the dressing room.
Venezuelans took to the streets in another wave of protests over the weekend, marking the country's most significant unrest in over a decade.
The economy continued to lag throughout the 1990s as inflation soared, and a high level of unemployment led to significant unrest.
"If it is close," said Anneke Van Woudenberg, a senior researcher at Human Rights Watch, "the chance for significant unrest is high".
For the past several nights, he has joined demonstrators in the side streets near Tehran University, chanting slogans to bring down the theocracy in the most significant unrest in Iran in nearly a decade.
Despite significant unrest in Bujumbura, the election went ahead as scheduled, and Nkurunziza was declared the winner.
Large pockets of the country have slipped into recession, and many economists warn that if growth falls much further, the government could face significant unrest in the industrial northeast, where unemployment exceeds 30percentt in some places.
During the last two years, more than 100 Tibetans have set themselves on fire to protest against the Chinese government and there is significant unrest in the Tibetan community over the exploitation of their vast mineral wealth – worth $100bn, according to Xinhua News Agency.
Significant unrest did not afflict the area until the spring of 2008, when many Tibetans across the plateau, including in Lhasa, the Tibetan capital, took to the streets to protest Chinese rule.
The debate over extending presidential terms has led to instability and violence this year in the Democratic Republic of the Congo and Burkina Faso – where efforts to allow Blaise Compaoré to contest elections ended in the president being forced from power – and is causing ongoing bloodshed in BurundiBut it has not caused significant unrest in Rwanda.
