An unprecedented series of major wars and political revolutions took place around Europe and indeed the world in the 1610 to 1700 period.
But there's no evidence for this - on the contrary, despite the zero interest rate, corporate Japan has lately been experiencing an unprecedented series of high-profile bankruptcies.
Wearing his two hats as playwright and director , he embarked on an unprecedented series of successes.
For the site, he conceived an unprecedented series of online dramas, one for each station of the Piccadilly Line - www.urbanscrawl.org.uk.
The traditionally fractious City Council has supported the Mayor's budgets and recovery plan with an unprecedented series of unanimous votes.
If Wolsey had created the same unprecedented series of motifs at Hampton Court by accident, the coincidence would be even more remarkable.
After all, they were facing a virtually unprecedented series of humanitarian problems from the tsunami alone.
In recent weeks there has been a new and unprecedented series of raids in Germany organised at the government level.
Between 1257 and 1260, an unprecedented series of natural disasters, earthquakes, epidemics, famines, and typhoons ripped through central Japan.
In 2006, an unprecedented series of snow storms forced a change to an alternate course 36 hours before the start of the run.