Simón Bolívar was a Venezuelan military and political leader who played a key role in Latin America's successful struggle for independence from Spanish rule in the early 19th century. He is often referred to as "El Libertador" for his efforts in liberating several countries, including Venezuela, Colombia, Ecuador, Peru, and Bolivia, which was named in his honor. Bolívar envisioned a united Latin America, similar to the United States, but faced challenges in achieving this dream. His legacy includes the promotion of republicanism and the fight against colonialism, making him a significant figure in the history of the Americas.