July 27-29 - "Three Glorious Days" - people in Paris rebel against the Ordinance of St. Cloud by king Charles X of France and clash against the National Guard - 1800 rioters and 300 soldiers dead. King has to flee the capital. The July Revolution begins in France.
October 4 - The Provisional Government in Brussels declares the creation of the independent state of Belgium, in revolt against the government of the Netherlands.