Complex sentence: Afterwards a supposedly civilian triumvirate established a de facto dictatorship until April 16,1965, when growing dissatisfaction generated another military rebellion on April 24,1965 that demanded Bosch's restoration.
Split into simpler sentences: Afterwards a supposedly civilian triumvirate established a de facto dictatorship. On April 16,1965, when growing dissatisfaction generated another military rebellion on April 24,1965 that demanded Bosch's restoration.