Answer
The answer is the 20th century. Miguel Delibes, the renowned Spanish writer and journalist, made his significant contributions to literature during this period. He is celebrated for his prolific writing career that spanned over six decades, leaving a lasting impact on the literary landscape of Spain. Delibes' works explored various themes, including rural life, social issues, and existential dilemmas, captivating readers with his keen observations, psychological depth, and engaging storytelling.