What is French Revolution and world war 1?

The French Revolution (1789-1799) was a period of radical social and political upheaval in France that dismantled the monarchy, established a republic, and led to the rise of radical ideologies like democracy and nationalism. It significantly influenced the course of modern history and inspired revolutions worldwide. World War I (1914-1918) was a global conflict primarily involving European nations, triggered by political tensions, militarism, alliances, and nationalism. The war resulted in immense loss of life, the collapse of empires, and set the stage for significant political changes, including the rise of totalitarian regimes and the eventual onset of World War II.