The Legacy of the French Revolution for the people of world during the 19 and 20 centuries can be explained under the following heads: 

The Legacy of the French Revolution
The French Revolution of 1789 had a profound impact on the peoples of the world during the nineteenth and twentieth centuries, shaping political ideologies, social movements, and revolutionary actions across the globe.

Spread of Republicanism
- The French Revolution popularized the ideas of liberty, equality, and fraternity, leading to the spread of republican ideals and the establishment of democratic governments in various countries.
- Revolutionary movements in Europe and Latin America drew inspiration from the French Revolution in their struggles against monarchies and colonial powers.

Nationalism and Independence Movements
- The concept of nationalism emerged as a powerful force, fueling independence movements in colonies and oppressed nations seeking self-determination.
- Leaders like Simon Bolivar in Latin America and Giuseppe Garibaldi in Italy were influenced by the French Revolution in their quests for national liberation.

Social Reforms and Rights
- The French Revolution brought attention to social inequality and injustice, leading to the demand for reforms such as workers' rights, women's suffrage, and abolition of slavery.
- Movements for civil rights and social justice in the nineteenth and twentieth centuries were influenced by the revolutionary spirit of the French Revolution.

Revolutionary Ideas and Revolts
- The French Revolution inspired revolutions and uprisings in the nineteenth and twentieth centuries, including the 1848 Revolutions in Europe, the Russian Revolution of 1917, and anti-colonial movements in Asia and Africa.
- The legacy of the French Revolution continued to inspire people to challenge oppressive rulers and fight for freedom and equality.
In conclusion, the French Revolution left a lasting legacy on the peoples of the world by promoting republican ideals, fostering nationalism, inspiring social reforms, and fueling revolutionary movements throughout the nineteenth and twentieth centuries.