Complex sentence: In 1961, he was appointed director of the Department of Cultural Extension of Recife University, and in 1962 he had the first opportunity for significant application of his theories, when 300 sugarcane workers were taught to read and write in just 45 days.
Split into simpler sentences: In 1961, he was appointed director of the Department of Cultural Extension of Recife University. In 1962 he had the first opportunity for significant application of his theories, when 300 sugarcane workers were taught to read and write in just 45 days.