Which event occurred first and led to the other three? rise of fascism in europe bolshevik revolution world war i signing of the treaty of versailles

The answer is World War I.

World War I started in 1914. This war caused citizens to revolt and overthrow corrupt governments in areas like Russia, where the Bolshevik Revolution took place during 1917.

World War I ended with the Treaty of Versailles in 1919. This punished Germany for the beginning of World War I. Along with Germany, several other countries were destroyed. Not only was their infrastructure destroyed, their economy was suffering as well. This all helps lead to the rise of fascism.

She was one of the world's first female heads of state.