Luis Muñoz Marín's inauguration as Puerto Rico's first democratically elected governor was a pivotal moment in the island's political history. The event took place in the capital, San Juan, reflecting a new era following the passage of the Puerto Rican Federal Relations Act in 1950, which recognized Puerto Rico's autonomy and allowed its inhabitants to elect their own governor. Before Muñoz Marín, governors were appointed by the President of the United States, making his election a symbol of self-determination and democratic governance for the Puerto Rican people.

At the ceremony, which was attended by dignitaries and supporters, Muñoz Marín emphasized his commitment to addressing pressing social issues such as poverty, education, and health care. He focused on the need for economic reforms that would promote development and improve the quality of life for Puerto Ricans. His administration prioritized the establishment of public works programs and aimed to reduce unemployment, while also pushing for wider access to education and better health facilities across the island.

Under his leadership, the movement towards a more vibrant and independent Puerto Rican identity gained momentum. Muñoz Marín would go on to serve multiple terms, influencing the political landscape and the trajectory of Puerto Rico for decades. His policies laid the groundwork for significant changes in governance and set a precedent for future elections, spotlighting the importance of local leadership in the wake of colonial ties.