In 1955, Spain was admitted to the United Nations after a period of isolation under Franco's regime, marking a significant step towards its reintegration into the international community. This admission reflected a broader shift in global geopolitics during the Cold War, as nations sought to establish diplomatic relations. Spain's entry into the UN also signaled a commitment to international cooperation and human rights, influencing its subsequent political and social developments.

Spain's joining of the United Nations in 1955 opened avenues for cultural exchange and recognition of Spanish literature. This shift influenced democratic poetry, with poets like Antonio Machado and Pablo Neruda exploring themes of freedom and social justice in their works.