Definitions:
Cambridge - an organized attempt by a group of people to defeat their government and take control of their country, usually by violence.
https://dictionary.cambridge.org/us/dictionary/english/insurrection
Merriam-Webster - an act or instance of revolting against civil authority or an established government.
https://www.merriam-webster.com/dictionary/insurrection
Britannica - an organized and usually violent act of revolt or rebellion against an established government or governing authority of a nation-state or other political entity by a group of its citizens or subjects; also, any act of engaging in such a revolt. An insurrection may facilitate or bring about a revolution, which is a radical change in the form of government or political system of a state, and it may be initiated or provoked by an act of sedition, which is an incitement to revolt or rebellion.
https://www.britannica.com/topic/insurrection-politics
Examples provided by Britannica:
Among many historically significant insurrections of the 20th and 21st centuries are the March on Rome of 1922, which brought Benito Mussolini and his National Fascist Party to power in Italy; the July Plot against Adolf Hitler in 1944; the briefly successful Hungarian Revolution of 1956; the student revolt in Paris in May 1968; the Zapatista rebellion in Mexico beginning in 1994; and the United States Capitol attack of January 2021.
Cambridge - an organized attempt by a group of people to defeat their government and take control of their country, usually by violence.
https://dictionary.cambridge.org/us/dictionary/english/insurrection
Merriam-Webster - an act or instance of revolting against civil authority or an established government.
https://www.merriam-webster.com/dictionary/insurrection
Britannica - an organized and usually violent act of revolt or rebellion against an established government or governing authority of a nation-state or other political entity by a group of its citizens or subjects; also, any act of engaging in such a revolt. An insurrection may facilitate or bring about a revolution, which is a radical change in the form of government or political system of a state, and it may be initiated or provoked by an act of sedition, which is an incitement to revolt or rebellion.
https://www.britannica.com/topic/insurrection-politics
Examples provided by Britannica:
Among many historically significant insurrections of the 20th and 21st centuries are the March on Rome of 1922, which brought Benito Mussolini and his National Fascist Party to power in Italy; the July Plot against Adolf Hitler in 1944; the briefly successful Hungarian Revolution of 1956; the student revolt in Paris in May 1968; the Zapatista rebellion in Mexico beginning in 1994; and the United States Capitol attack of January 2021.