In March of 1848.
In English is March Revolution and in German is Vormärz (pre-march period)
The French Revolution.
I think that the french revolution begin in Paris and which started with the storm of Bastille.
Germany
Industrial Revolution
Germany
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The Agriculture Revolution began around 6-7,000BC.
The Iranian or Islamic Revolution began in 1979.
The industrial Revolution began around 1850.
The American Revolution was fought between 1775-1783
The causes of the east german revolution in 1989 was Gorbachev and the churches: Gorbachev's glasnost came to East Germany.