Which political revolutions of the 1830’s were successful and which ones were not?

The revolution in 1830 comprised of two nationalist revolutions and both of these revolutions brought a huge change in Europe. The revolutions that took place in 1830 were : Belgian revolution in the United Kingdom and the other one was July revolution which took place in France.

There were also revolutions in congress Poland and Switzerland. Out of these two, the July revolution in France was a success which could create a monarchy. But the other revolution failed and revolution of Polad and Switzerland also failed.

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

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the northwest ordinance of 1787 guaranteed basic rights for settlers and banned slavery there.