Complex sentence: Starting in 1979, the World Meteorological Organization began assigning both male and female names to tropical cyclones, and this decade featured hurricanes David and Frederic, the first male Atlantic hurricane names to be retired.
Split into simpler sentences: Starting in 1979, the World Meteorological Organization began assigning both male and female names to tropical cyclones. This decade featured hurricanes David and Frederic, the first male Atlantic hurricane names to be retired.