Complex sentence: At its peak (1963) the factory processed 103 whales, the final animal was hunted on November 24,1981 when José Jacinto Mendonça Furtado harpoon the 21st whale of the season.
Split into simpler sentences: At its peak (1963) the factory processed 103 whales. The final animal was processed on November 24,1981 after José Jacinto Mendonça Furtado harpooned the 21st whale of the season.